HTML5 Balancer

This adds an implementation of the HTML5 Tree Builder algorithm to PHP,
along with test cases from the tree builder derived from the
html5lib-tests package on github.  The test cases were preprocessed
into JSON for the `domino` HTML5 parser, and we're using the JSON
form of the tests.

The implementation follows both the language of the HTML5 specification
and the implementation in `domino` very closely, easing updates if the
specification changes.

This code is used in follow-on commits to support an HTML5-based
"tidy" for mediawiki and the `{{#balance}}` parser function, which
ensures that a template expands to properly-balanced HTML, with all
tags closed and nothing left on the HTML active formatting elements
list.

See: https://github.com/fgnass/domino
Change-Id: I6f4d20a43510dd819776bb333b639315b19d150d

diff --git a/autoload.php b/autoload.php
index 97fbc5f..eb0ce13 100644 (file)
--- a/autoload.php
+++ b/autoload.php
@@ -880,6 +880,11 @@ $wgAutoloadLocalClasses = [
        'MediaWiki\\Session\\Token' => __DIR__ . '/includes/session/Token.php',
        'MediaWiki\\Session\\UserInfo' => __DIR__ . '/includes/session/UserInfo.php',
        'MediaWiki\\Site\\MediaWikiPageNameNormalizer' => __DIR__ . '/includes/site/MediaWikiPageNameNormalizer.php',
+       'MediaWiki\\Tidy\\BalanceActiveFormattingElements' => __DIR__ . '/includes/tidy/Balancer.php',
+       'MediaWiki\\Tidy\\BalanceElement' => __DIR__ . '/includes/tidy/Balancer.php',
+       'MediaWiki\\Tidy\\BalanceSets' => __DIR__ . '/includes/tidy/Balancer.php',
+       'MediaWiki\\Tidy\\BalanceStack' => __DIR__ . '/includes/tidy/Balancer.php',
+       'MediaWiki\\Tidy\\Balancer' => __DIR__ . '/includes/tidy/Balancer.php',
        'MediaWiki\\Tidy\\Html5Depurate' => __DIR__ . '/includes/tidy/Html5Depurate.php',
        'MediaWiki\\Tidy\\RaggettBase' => __DIR__ . '/includes/tidy/RaggettBase.php',
        'MediaWiki\\Tidy\\RaggettExternal' => __DIR__ . '/includes/tidy/RaggettExternal.php',
@@ -1177,6 +1182,7 @@ $wgAutoloadLocalClasses = [
        'RevDelLogList' => __DIR__ . '/includes/revisiondelete/RevDelLogList.php',
        'RevDelRevisionItem' => __DIR__ . '/includes/revisiondelete/RevDelRevisionItem.php',
        'RevDelRevisionList' => __DIR__ . '/includes/revisiondelete/RevDelRevisionList.php',
+       'ReverseArrayIterator' => __DIR__ . '/includes/libs/ReverseArrayIterator.php',
        'ReverseChronologicalPager' => __DIR__ . '/includes/pager/ReverseChronologicalPager.php',
        'RevertAction' => __DIR__ . '/includes/actions/RevertAction.php',
        'Revision' => __DIR__ . '/includes/Revision.php',

diff --git a/includes/Sanitizer.php b/includes/Sanitizer.php
index c6606e2..8f1fc99 100644 (file)
--- a/includes/Sanitizer.php
+++ b/includes/Sanitizer.php
@@ -1060,12 +1060,14 @@ class Sanitizer {
         * - Double attributes are discarded
         * - Unsafe style attributes are discarded
         * - Prepends space if there are attributes.
+        * - (Optionally) Sorts attributes by name.
         *
         * @param string $text
         * @param string $element
+        * @param bool $sorted Whether to sort the attributes (default: false)
         * @return string
         */
-       static function fixTagAttributes( $text, $element ) {
+       static function fixTagAttributes( $text, $element, $sorted = false ) {
                if ( trim( $text ) == '' ) {
                        return '';
                }
@@ -1073,6 +1075,10 @@ class Sanitizer {
                $decoded = Sanitizer::decodeTagAttributes( $text );
                $stripped = Sanitizer::validateTagAttributes( $decoded, $element );
 
+               if ( $sorted ) {
+                       ksort( $stripped );
+               }
+
                return Sanitizer::safeEncodeTagAttributes( $stripped );
        }
 

diff --git a/includes/libs/ReverseArrayIterator.php b/includes/libs/ReverseArrayIterator.php
new file mode 100644 (file)
index 0000000..37b68c3
--- /dev/null
+++ b/includes/libs/ReverseArrayIterator.php
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Convenience class for iterating over an array in reverse order.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @since 1.27
+ */
+
+/**
+ * Convenience class for iterating over an array in reverse order.
+ *
+ * @since 1.27
+ */
+class ReverseArrayIterator implements Iterator, Countable {
+       /** @var array $array */
+       protected $array;
+
+       /**
+        * Creates an iterator which will visit the keys in $array in
+        * reverse order.  If given an object, will visit the properties
+        * of the object in reverse order.  (Note that the default order
+        * for PHP arrays and objects is declaration/assignment order.)
+        *
+        * @param array|object $array
+        */
+       public function __construct( $array = [] ) {
+               if ( is_array( $array ) ) {
+                       $this->array = $array;
+               } elseif ( is_object( $array ) ) {
+                       $this->array = get_object_vars( $array );
+               } else {
+                       throw new InvalidArgumentException( __METHOD__ . ' requires an array or object' );
+               }
+
+               $this->rewind();
+       }
+
+        public function current() {
+               return current( $this->array );
+        }
+
+        public function key() {
+               return key( $this->array );
+        }
+
+        public function next() {
+               prev( $this->array );
+        }
+
+        public function rewind() {
+               end( $this->array );
+        }
+
+        public function valid() {
+               return key( $this->array ) !== null;
+        }
+
+        public function count() {
+               return count( $this->array );
+        }
+}

diff --git a/includes/tidy/Balancer.php b/includes/tidy/Balancer.php
new file mode 100644 (file)
index 0000000..828b09b
--- /dev/null
+++ b/includes/tidy/Balancer.php
@@ -0,0 +1,2886 @@
+<?php
+/**
+ * An implementation of the tree building portion of the HTML5 parsing
+ * spec.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Parser
+ * @since 1.27
+ * @author C. Scott Ananian, 2016
+ */
+namespace MediaWiki\Tidy;
+
+use Wikimedia\Assert\Assert;
+use Wikimedia\Assert\ParameterAssertionException;
+use \ExplodeIterator;
+use \IteratorAggregate;
+use \ReverseArrayIterator;
+use \Sanitizer;
+
+# A note for future librarization[1] -- this file is a good candidate
+# for splitting into an independent library, except that it is currently
+# highly optimized for MediaWiki use.  It only implements the portions
+# of the HTML5 tree builder used by tags supported by MediaWiki, and
+# does not contain a true tokenizer pass, instead relying on
+# comment stripping, attribute normalization, and escaping done by
+# the MediaWiki Sanitizer.  It also deliberately avoids building
+# a true DOM in memory, instead serializing elements to an output string
+# as soon as possible (usually as soon as the tag is closed) to reduce
+# its memory footprint.
+
+# On the other hand, I've been pretty careful to note with comments in the
+# code the places where this implementation omits features of the spec or
+# depends on the MediaWiki Sanitizer.  Perhaps in the future we'll want to
+# implement the missing pieces and make this a standalone PHP HTML5 parser.
+# In order to do so, some sort of MediaWiki-specific API will need
+# to be added to (a) allow the Balancer to bypass the tokenizer,
+# and (b) support on-the-fly flattening instead of DOM node creation.
+
+# [1]: https://www.mediawiki.org/wiki/Library_infrastructure_for_MediaWiki
+
+/**
+ * Utility constants and sets for the HTML5 tree building algorithm.
+ * Sets are associative arrays indexed first by namespace and then by
+ * lower-cased tag name.
+ *
+ * @ingroup Parser
+ * @since 1.27
+ */
+class BalanceSets {
+       const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
+       const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
+       const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
+
+       public static $unsupportedSet = [
+               self::HTML_NAMESPACE => [
+                       'html' => true, 'head' => true, 'body' => true, 'frameset' => true,
+                       'form' => true, 'frame' => true,
+                       'plaintext' => true, 'isindex' => true, 'textarea' => true,
+                       'xmp' => true, 'iframe' => true, 'noembed' => true,
+                       'noscript' => true, 'select' => true, 'script' => true,
+                       'title' => true
+               ]
+       ];
+
+       public static $emptyElementSet = [
+               self::HTML_NAMESPACE => [
+                       'area' => true, 'base' => true, 'basefont' => true,
+                       'bgsound' => true, 'br' => true, 'col' => true, 'command' => true,
+                       'embed' => true, 'frame' => true, 'hr' => true, 'img' => true,
+                       'input' => true, 'keygen' => true, 'link' => true, 'meta' => true,
+                       'param' => true, 'source' => true, 'track' => true, 'wbr' => true
+               ]
+       ];
+
+       public static $headingSet = [
+               self::HTML_NAMESPACE => [
+                       'h1' => true, 'h2' => true, 'h3' => true,
+                       'h4' => true, 'h5' => true, 'h6' => true
+               ]
+       ];
+
+       public static $specialSet = [
+               self::HTML_NAMESPACE => [
+                       'address' => true, 'applet' => true, 'area' => true,
+                       'article' => true, 'aside' => true, 'base' => true,
+                       'basefont' => true, 'bgsound' => true, 'blockquote' => true,
+                       'body' => true, 'br' => true, 'button' => true, 'caption' => true,
+                       'center' => true, 'col' => true, 'colgroup' => true, 'dd' => true,
+                       'details' => true, 'dir' => true, 'div' => true, 'dl' => true,
+                       'dt' => true, 'embed' => true, 'fieldset' => true,
+                       'figcaption' => true, 'figure' => true, 'footer' => true,
+                       'form' => true, 'frame' => true, 'frameset' => true, 'h1' => true,
+                       'h2' => true, 'h3' => true, 'h4' => true, 'h5' => true,
+                       'h6' => true, 'head' => true, 'header' => true, 'hgroup' => true,
+                       'hr' => true, 'html' => true, 'iframe' => true, 'img' => true,
+                       'input' => true, 'isindex' => true, 'li' => true, 'link' => true,
+                       'listing' => true, 'main' => true, 'marquee' => true,
+                       'menu' => true, 'menuitem' => true, 'meta' => true, 'nav' => true,
+                       'noembed' => true, 'noframes' => true, 'noscript' => true,
+                       'object' => true, 'ol' => true, 'p' => true, 'param' => true,
+                       'plaintext' => true, 'pre' => true, 'script' => true,
+                       'section' => true, 'select' => true, 'source' => true,
+                       'style' => true, 'summary' => true, 'table' => true,
+                       'tbody' => true, 'td' => true, 'template' => true,
+                       'textarea' => true, 'tfoot' => true, 'th' => true, 'thead' => true,
+                       'title' => true, 'tr' => true, 'track' => true, 'ul' => true,
+                       'wbr' => true, 'xmp' => true
+               ],
+               self::SVG_NAMESPACE => [
+                       'foreignobject' => true, 'desc' => true, 'title' => true
+               ],
+               self::MATHML_NAMESPACE => [
+                       'mi' => true, 'mo' => true, 'mn' => true, 'ms' => true,
+                       'mtext' => true, 'annotation-xml' => true
+               ]
+       ];
+
+       public static $addressDivPSet = [
+               self::HTML_NAMESPACE => [
+                       'address' => true, 'div' => true, 'p' => true
+               ]
+       ];
+
+       public static $tableSectionRowSet = [
+               self::HTML_NAMESPACE => [
+                       'table' => true, 'thead' => true, 'tbody' => true,
+                       'tfoot' => true, 'tr' => true
+               ]
+       ];
+
+       public static $impliedEndTagsSet = [
+               self::HTML_NAMESPACE => [
+                       'dd' => true, 'dt' => true, 'li' => true, 'optgroup' => true,
+                       'option' => true, 'p' => true, 'rb' => true, 'rp' => true,
+                       'rt' => true, 'rtc' => true
+               ]
+       ];
+
+       public static $thoroughImpliedEndTagsSet = [
+               self::HTML_NAMESPACE => [
+                       'caption' => true, 'colgroup' => true, 'dd' => true, 'dt' => true,
+                       'li' => true, 'optgroup' => true, 'option' => true, 'p' => true,
+                       'rb' => true, 'rp' => true, 'rt' => true, 'rtc' => true,
+                       'tbody' => true, 'td' => true, 'tfoot' => true, 'th' => true,
+                       'thead' => true, 'tr' => true
+               ]
+       ];
+
+       public static $tableCellSet = [
+               self::HTML_NAMESPACE => [
+                       'td' => true, 'th' => true
+               ]
+       ];
+       public static $tableContextSet = [
+               self::HTML_NAMESPACE => [
+                       'table' => true, 'template' => true, 'html' => true
+               ]
+       ];
+
+       public static $tableBodyContextSet = [
+               self::HTML_NAMESPACE => [
+                       'tbody' => true, 'tfoot' => true, 'thead' => true,
+                       'template' => true, 'html' => true
+               ]
+       ];
+
+       public static $tableRowContextSet = [
+               self::HTML_NAMESPACE => [
+                       'tr' => true, 'template' => true, 'html' => true
+               ]
+       ];
+
+       # OMITTED: formAssociatedSet, since we don't allow <form>
+
+       public static $inScopeSet = [
+               self::HTML_NAMESPACE => [
+                       'applet' => true, 'caption' => true, 'html' => true,
+                       'marquee' => true, 'object' => true,
+                       'table' => true, 'td' => true, 'template' => true,
+                       'th' => true
+               ],
+               self::SVG_NAMESPACE => [
+                       'foreignobject' => true, 'desc' => true, 'title' => true
+               ],
+               self::MATHML_NAMESPACE => [
+                       'mi' => true, 'mo' => true, 'mn' => true, 'ms' => true,
+                       'mtext' => true, 'annotation-xml' => true
+               ]
+       ];
+
+       private static $inListItemScopeSet = null;
+       public static function inListItemScopeSet() {
+               if ( self::$inListItemScopeSet === null ) {
+                       self::$inListItemScopeSet = self::$inScopeSet;
+                       self::$inListItemScopeSet[self::HTML_NAMESPACE]['ol'] = true;
+                       self::$inListItemScopeSet[self::HTML_NAMESPACE]['ul'] = true;
+               }
+               return self::$inListItemScopeSet;
+       }
+
+       private static $inButtonScopeSet = null;
+       public static function inButtonScopeSet() {
+               if ( self::$inButtonScopeSet === null ) {
+                       self::$inButtonScopeSet = self::$inScopeSet;
+                       self::$inButtonScopeSet[self::HTML_NAMESPACE]['button'] = true;
+               }
+               return self::$inButtonScopeSet;
+       }
+
+       public static $inTableScopeSet = [
+               self::HTML_NAMESPACE => [
+                       'html' => true, 'table' => true, 'template' => true
+               ]
+       ];
+
+       public static $mathmlTextIntegrationPointSet = [
+               self::MATHML_NAMESPACE => [
+                       'mi' => true, 'mo' => true, 'mn' => true, 'ms' => true,
+                       'mtext' => true
+               ]
+       ];
+
+       public static $htmlIntegrationPointSet = [
+               self::SVG_NAMESPACE => [
+                       'foreignobject' => true,
+                       'desc' => true,
+                       'title' => true
+               ]
+       ];
+}
+
+/**
+ * A BalanceElement is a simplified version of a DOM Node.  The main
+ * difference is that we only keep BalanceElements around for nodes
+ * currently on the BalanceStack of open elements.  As soon as an
+ * element is closed, with some minor exceptions relating to the
+ * tree builder "adoption agency algorithm", the element and all its
+ * children are serialized to a string using the flatten() method.
+ * This keeps our memory usage low.
+ *
+ * @ingroup Parser
+ * @since 1.27
+ */
+class BalanceElement {
+       /**
+        * The namespace of the element.
+        * @var string $namespaceURI
+        */
+       public $namespaceURI;
+       /**
+        * The lower-cased name of the element.
+        * @var string $localName
+        */
+       public $localName;
+       /**
+        * Attributes for the element, as normalized by
+        * Sanitizer::safeEncodeTagAttributes. Attributes are space-separated
+        * and attribute values are double-quoted.  Elements with no
+        * attributes should have a zero-length string here.
+        * @var string $attribs
+        */
+       public $attribs;
+
+       /**
+        * Parent of this element, or the string "flat" if this element has
+        * already been flattened into its parent.
+        * @var string|null $parent
+        */
+       public $parent;
+
+       /**
+        * An array of children of this element.  Typically only the last
+        * child will be an actual BalanceElement object; the rest will
+        * be strings, representing either text nodes or flattened
+        * BalanceElement objects.
+        * @var array $children
+        */
+       public $children;
+
+       /**
+        * Make a new BalanceElement corresponding to the HTML DOM Element
+        * with the given localname, namespace, and attributes.
+        *
+        * @param string $namespaceURI The namespace of the element.
+        * @param string $localName The lowercased name of the tag.
+        * @param string $attribs Attributes of the element, as normalized
+        *   by Sanitizer:safeEncodeTagAttributes.
+        */
+       public function __construct( $namespaceURI, $localName, $attribs ) {
+               Assert::parameterType( 'string', $namespaceURI, '$namespaceURI' );
+               Assert::parameterType( 'string', $localName, '$localName' );
+               Assert::parameterType( 'string', $attribs, '$attribs' );
+
+               $this->localName = $localName;
+               $this->namespaceURI = $namespaceURI;
+               $this->attribs = $attribs;
+               $this->contents = '';
+               $this->parent = null;
+               $this->children = [];
+       }
+
+       /**
+        * Remove the given child from this element.
+        * @param BalanceElement $elt
+        */
+       private function removeChild( $elt ) {
+               Assert::precondition(
+                       $this->parent !== 'flat', "Can't removeChild after flattening $this"
+               );
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $elt, '$elt' );
+               Assert::parameter(
+                       $elt->parent === $this, 'elt', 'must have $this as a parent'
+               );
+               $idx = array_search( $elt, $this->children, true );
+               Assert::parameter( $idx !== false, '$elt', 'must be a child of $this' );
+               $elt->parent = null;
+               array_splice( $this->children, $idx, 1 );
+       }
+
+       /**
+        * Find $a in the list of children and insert $b before it.
+        * @param BalanceElement $a
+        * @param BalanceElement|string $b
+        */
+       public function insertBefore( $a, $b ) {
+               Assert::precondition(
+                       $this->parent !== 'flat', "Can't insertBefore after flattening."
+               );
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $a, '$a' );
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement|string', $b, '$b' );
+               $idx = array_search( $a, $this->children, true );
+               Assert::parameter( $idx !== false, '$a', 'must be a child of $this' );
+               if ( is_string( $b ) ) {
+                       array_splice( $this->children, $idx, 0, [ $b ] );
+               } else {
+                       Assert::parameter( $b->parent !== 'flat', '$b', "Can't be flat" );
+                       if ( $b->parent !== null ) {
+                               $b->parent->removeChild( $b );
+                       }
+                       array_splice( $this->children, $idx, 0, [ $b ] );
+                       $b->parent = $this;
+               }
+       }
+
+       /**
+        * Append $elt to the end of the list of children.
+        * @param BalanceElement|string $elt
+        */
+       public function appendChild( $elt ) {
+               Assert::precondition(
+                       $this->parent !== 'flat', "Can't appendChild after flattening."
+               );
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement|string', $elt, '$elt' );
+               if ( is_string( $elt ) ) {
+                       array_push( $this->children, $elt );
+                       return;
+               }
+               // Remove $elt from parent, if it had one.
+               if ( $elt->parent !== null ) {
+                       $elt->parent->removeChild( $elt );
+               }
+               array_push( $this->children, $elt );
+               $elt->parent = $this;
+       }
+
+       /**
+        * Transfer all of the children of $elt to $this.
+        * @param BalanceElement $elt
+        */
+       public function adoptChildren( $elt ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $elt, '$elt' );
+               Assert::precondition(
+                       $elt->parent !== 'flat', "Can't adoptChildren after flattening."
+               );
+               foreach ( $elt->children as $child ) {
+                       if ( !is_string( $child ) ) {
+                               // This is an optimization which avoids an O(n^2) set of
+                               // array_splice operations.
+                               $child->parent = null;
+                       }
+                       $this->appendChild( $child );
+               }
+               $elt->children = [];
+       }
+
+       /**
+        * Flatten this node and all of its children into a string, as specified
+        * by the HTML serialization specification, and replace this node
+        * in its parent by that string.
+        *
+        * @see __toString()
+        */
+       public function flatten() {
+               Assert::parameter( $this->parent !== null, '$this', 'must be a child' );
+               Assert::parameter( $this->parent !== 'flat', '$this', 'already flat' );
+               $idx = array_search( $this, $this->parent->children, true );
+               Assert::parameter(
+                       $idx !== false, '$this', 'must be a child of its parent'
+               );
+               $flat = "{$this}";
+               $this->parent->children[$idx] = $flat;
+               $this->parent = 'flat'; # for assertion checking
+               return $flat;
+       }
+
+       /**
+        * Serialize this node and all of its children to a string, as specified
+        * by the HTML serialization specification.
+        *
+        * @return string The serialization of the BalanceElement
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#serialising-html-fragments
+        */
+       public function __toString() {
+               $out = "<{$this->localName}{$this->attribs}>";
+               if ( !$this->isA( BalanceSets::$emptyElementSet ) ) {
+                       // flatten children
+                       foreach ( $this->children as $elt ) {
+                               $out .= "{$elt}";
+                       }
+                       $out .= "</{$this->localName}>";
+               } else {
+                       Assert::invariant(
+                               count( $this->children ) === 0,
+                               "Empty elements shouldn't have children."
+                       );
+               }
+               return $out;
+       }
+
+       # Utility functions on BalanceElements.
+
+       /**
+        * Determine if $this represents a specific HTML tag, is a member of
+        * a tag set, or is equal to another BalanceElement.
+        *
+        * @param BalanceElement|array|string $set The target BalanceElement,
+        *   set (from the BalanceSets class), or string (HTML tag name).
+        * @return bool
+        */
+       public function isA( $set ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement|array|string', $set, '$set' );
+               if ( $set instanceof BalanceElement ) {
+                       return $this === $set;
+               } elseif ( is_array( $set ) ) {
+                       return isset( $set[$this->namespaceURI] ) &&
+                               isset( $set[$this->namespaceURI][$this->localName] );
+               } else {
+                       # assume this is an HTML element name.
+                       return $this->isHtml() && $this->localName === $set;
+               }
+       }
+
+       /**
+        * Determine if $this represents an element in the HTML namespace.
+        *
+        * @return bool
+        */
+       public function isHtml() {
+               return $this->namespaceURI === BalanceSets::HTML_NAMESPACE;
+       }
+
+       /**
+        * Determine if $this represents a MathML text integration point,
+        * as defined in the HTML5 specification.
+        *
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#mathml-text-integration-point
+        */
+       public function isMathmlTextIntegrationPoint() {
+               return $this->isA( BalanceSets::$mathmlTextIntegrationPointSet );
+       }
+
+       /**
+        * Determine if $this represents an HTML integration point,
+        * as defined in the HTML5 specification.
+        *
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#html-integration-point
+        */
+       public function isHtmlIntegrationPoint() {
+               if ( $this->isA( BalanceSets::$htmlIntegrationPointSet ) ) {
+                       return true;
+               }
+               if (
+                       $this->namespaceURI === BalanceSets::MATHML_NAMESPACE &&
+                       $this->localName === 'annotation-xml' &&
+                       // We rely on Sanitizer::fixTagAttributes having run on $attribs
+                       // to normalize the form of the tag parameters.
+                       preg_match( ':(^| )encoding="(text/html|application/xhtml+xml)":i', $this->attribs )
+               ) {
+                       return true;
+               }
+               return false;
+       }
+}
+
+/**
+ * The "stack of open elements" as defined in the HTML5 tree builder
+ * spec.  This contains methods to ensure that content (start tags, text)
+ * are inserted at the correct place in the output string, and to
+ * flatten BalanceElements are they are closed to avoid holding onto
+ * a complete DOM tree for the document in memory.
+ *
+ * The stack defines a PHP iterator to traverse it in "reverse order",
+ * that is, the most-recently-added element is visited first in a
+ * foreach loop.
+ *
+ * @ingroup Parser
+ * @since 1.27
+ * @see https://html.spec.whatwg.org/multipage/syntax.html#the-stack-of-open-elements
+ */
+class BalanceStack implements IteratorAggregate {
+       /**
+        * Backing storage for the stack.
+        * @var array $elements
+        */
+       private $elements = [];
+       /**
+        * Foster parent mode determines how nodes are inserted into the
+        * stack.
+        * @var bool $fosterParentMode
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#foster-parent
+        */
+       public $fosterParentMode = false;
+
+       /**
+        * Create a new BalanceStack with a single BalanceElement on it,
+        * representing the root &lt;html&gt; node.
+        */
+       public function __construct() {
+               # always a root <html> element on the stack
+               array_push(
+                       $this->elements,
+                       new BalanceElement( BalanceSets::HTML_NAMESPACE, 'html', '' )
+               );
+       }
+
+       /**
+        * Return a string representing the output of the tree builder:
+        * all the children of the root &lt;html&gt; node.
+        * @return string
+        */
+       public function getOutput() {
+               // Don't include the outer '<html>....</html>'
+               $out = '';
+               foreach ( $this->elements[0]->children as $elt ) {
+                       $out .= is_string( $elt ) ? $elt : $elt->flatten();
+               }
+               return $out;
+       }
+
+       /**
+        * Insert text at the appropriate place for inserting a node.
+        * @param string $value
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#appropriate-place-for-inserting-a-node
+        */
+       public function insertText( $value ) {
+               Assert::parameterType( 'string', $value, '$value' );
+               if (
+                       $this->fosterParentMode &&
+                       $this->currentNode()->isA( BalanceSets::$tableSectionRowSet )
+               ) {
+                       $this->fosterParent( $value );
+               } else {
+                       $this->currentNode()->appendChild( $value );
+               }
+       }
+
+       /**
+        * Insert a BalanceElement at the appropriate place, pushing it
+        * on to the open elements stack.
+        * @param string $namespaceURI The element namespace
+        * @param string $tag The tag name
+        * @param string $attribs Normalized attributes, as a string.
+        * @return BalanceElement
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#insert-a-foreign-element
+        */
+       public function insertForeignElement( $namespaceURI, $tag, $attribs ) {
+               return $this->insertElement(
+                       new BalanceElement( $namespaceURI, $tag, $attribs )
+               );
+       }
+
+       /**
+        * Insert an HTML element at the appropriate place, pushing it on to
+        * the open elements stack.
+        * @param string $tag The tag name
+        * @param string $attribs Normalized attributes, as a string.
+        * @return BalanceElement
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#insert-an-html-element
+        */
+       public function insertHTMLElement( $tag, $attribs ) {
+               return $this->insertForeignElement(
+                       BalanceSets::HTML_NAMESPACE, $tag, $attribs
+               );
+       }
+
+       /**
+        * Insert an element at the appropriate place and push it on to the
+        * open elements stack.
+        * @param BalanceElement $elt
+        * @return BalanceElement
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#appropriate-place-for-inserting-a-node
+        */
+       public function insertElement( $elt ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $elt, '$elt' );
+               if (
+                       $this->fosterParentMode &&
+                       $this->currentNode()->isA( BalanceSets::$tableSectionRowSet )
+               ) {
+                       $elt = $this->fosterParent( $elt );
+               } else {
+                       $this->currentNode()->appendChild( $elt );
+               }
+               Assert::invariant( $elt->parent !== null, "$elt must be in tree" );
+               Assert::invariant( $elt->parent !== 'flat', "$elt must not have been previous flattened" );
+               array_push( $this->elements, $elt );
+               return $elt;
+       }
+
+       /**
+        * Determine if the stack has $tag in scope.
+        * @param BalanceElement|array|string $tag
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-scope
+        */
+       public function inScope( $tag ) {
+               return $this->inSpecificScope( $tag, BalanceSets::$inScopeSet );
+       }
+
+       /**
+        * Determine if the stack has $tag in button scope.
+        * @param BalanceElement|array|string $tag
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-button-scope
+        */
+       public function inButtonScope( $tag ) {
+               return $this->inSpecificScope( $tag, BalanceSets::inButtonScopeSet() );
+       }
+
+       /**
+        * Determine if the stack has $tag in list item scope.
+        * @param BalanceElement|array|string $tag
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-list-item-scope
+        */
+       public function inListItemScope( $tag ) {
+               return $this->inSpecificScope( $tag, BalanceSets::inListItemScopeSet() );
+       }
+
+       /**
+        * Determine if the stack has $tag in table scope.
+        * @param BalanceElement|array|string $tag
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-table-scope
+        */
+       public function inTableScope( $tag ) {
+               return $this->inSpecificScope( $tag, BalanceSets::$inTableScopeSet );
+       }
+
+       /**
+        * Determine if the stack has $tag in a specific scope, $set.
+        * @param BalanceElement|array|string $tag
+        * @param BalanceElement|array|string $set
+        * @return bool
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#has-an-element-in-the-specific-scope
+        */
+       public function inSpecificScope( $tag, $set ) {
+               foreach ( $this as $elt ) {
+                       if ( $elt->isA( $tag ) ) {
+                               return true;
+                       }
+                       if ( $elt->isA( $set ) ) {
+                               return false;
+                       }
+               }
+               return false;
+       }
+
+       /**
+        * Generate implied end tags.
+        * @param BalanceElement|array|string|null $butnot
+        * @param bool $thorough True if we should generate end tags thoroughly.
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#generate-implied-end-tags
+        */
+       public function generateImpliedEndTags( $butnot = null, $thorough = false ) {
+               $endTagSet = $thorough ?
+                       BalanceSets::$thoroughImpliedEndTagsSet :
+                       BalanceSets::$impliedEndTagsSet;
+               while ( $this->length() > 0 ) {
+                       if ( $butnot !== null && $this->currentNode()->isA( $butnot ) ) {
+                               break;
+                       }
+                       if ( !$this->currentNode()->isA( $endTagSet ) ) {
+                               break;
+                       }
+                       $this->pop();
+               }
+       }
+
+       /**
+        * Return the current node (the element in the stack with the largest
+        * index).
+        * @return BalanceElement
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#current-node
+        */
+       public function currentNode() {
+               return $this->node( count( $this->elements ) - 1 );
+       }
+
+       /**
+        * Return the adjusted current node.
+        */
+       public function adjustedCurrentNode( $fragmentContext ) {
+               return ( $fragmentContext && $this->length() === 1 ) ?
+                       $fragmentContext : $this->currentNode();
+       }
+
+       /**
+        * Return an iterator over this stack which visits the current node
+        * first, and the root node last.
+        * @return Iterator
+        */
+       public function getIterator() {
+               return new ReverseArrayIterator( $this->elements );
+       }
+
+       /**
+        * Return the BalanceElement at the given position $idx, where
+        * position 0 represents the root element.
+        * @param int $idx
+        * @return BalanceElement
+        */
+       public function node( $idx ) {
+               return $this->elements[ $idx ];
+       }
+
+       /**
+        * Replace the element at position $idx in the BalanceStack with $elt.
+        * @param int $idx
+        * @param BalanceElement $elt
+        */
+       public function replaceAt( $idx, $elt ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $elt, '$elt' );
+               Assert::precondition(
+                       $this->elements[$idx]->parent !== 'flat',
+                       'Replaced element should not have already been flattened.'
+               );
+               Assert::precondition(
+                       $elt->parent !== 'flat',
+                       'New element should not have already been flattened.'
+               );
+               $this->elements[$idx] = $elt;
+       }
+
+       /**
+        * Return the position of the given BalanceElement, set, or
+        * HTML tag name string in the BalanceStack.
+        * @param BalanceElement|array|string $tag
+        * @return int
+        */
+       public function indexOf( $tag ) {
+               for ( $i = count( $this->elements ) - 1; $i >= 0; $i-- ) {
+                       if ( $this->elements[$i]->isA( $tag ) ) {
+                               return $i;
+                       }
+               }
+               return -1;
+       }
+
+       /**
+        * Return the number of elements currently in the BalanceStack.
+        * @return int
+        */
+       public function length() {
+               return count( $this->elements );
+       }
+
+       /**
+        * Remove the current node from the BalanceStack, flattening it
+        * in the process.
+        */
+       public function pop() {
+               $elt = array_pop( $this->elements );
+               $elt->flatten();
+       }
+
+       /**
+        * Remove all nodes up to and including position $idx from the
+        * BalanceStack, flattening them in the process.
+        * @param int $idx
+        */
+       public function popTo( $idx ) {
+               while ( $this->length() > $idx ) {
+                       $this->pop();
+               }
+       }
+
+       /**
+        * Pop elements off the stack up to and including the first
+        * element with the specified HTML tagname (or matching the given
+        * set).
+        * @param BalanceElement|array|string $tag
+        */
+       public function popTag( $tag ) {
+               while ( $this->length() > 0 ) {
+                       if ( $this->currentNode()->isA( $tag ) ) {
+                               $this->pop();
+                               break;
+                       }
+                       $this->pop();
+               }
+       }
+
+       /**
+        * Pop elements off the stack *not including* the first element
+        * in the specified set.
+        * @param BalanceElement|array|string $set
+        */
+       public function clearToContext( $set ) {
+               // Note that we don't loop to 0. Never pop the <html> elt off.
+               while ( $this->length() > 1 ) {
+                       if ( $this->currentNode()->isA( $set ) ) {
+                               break;
+                       }
+                       $this->pop();
+               }
+       }
+
+       /**
+        * Remove the given $elt from the BalanceStack, optionally
+        * flattening it in the process.
+        * @param BalanceElement $elt The element to remove.
+        * @param bool $flatten Whether to flatten the removed element.
+        */
+       public function removeElement( $elt, $flatten = true ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $elt, '$elt' );
+               Assert::parameter(
+                       $elt->parent !== 'flat',
+                       '$elt',
+                       '$elt should not already have been flattened.'
+               );
+               Assert::parameter(
+                       $elt->parent->parent !== 'flat',
+                       '$elt',
+                       'The parent of $elt should not already have been flattened.'
+               );
+               $idx = array_search( $elt, $this->elements, true );
+               Assert::parameter( $idx !== false, '$elt', 'must be in stack' );
+               array_splice( $this->elements, $idx, 1 );
+               if ( $flatten ) {
+                       // serialize $elt into its parent
+                       // otherwise, it will eventually serialize when the parent
+                       // is serialized, we just hold onto the memory for its
+                       // tree of objects a little longer.
+                       $elt->flatten();
+               }
+               Assert::postcondition(
+                       array_search( $elt, $this->elements, true ) === false,
+                       '$elt should no longer be in open elements stack'
+               );
+       }
+
+       /**
+        * Find $a in the BalanceStack and insert $b after it.
+        * @param BalanceElement $a
+        * @param BalanceElement $b
+        */
+       public function insertAfter( $a, $b ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $a, '$a' );
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement', $b, '$b' );
+               $idx = $this->indexOf( $a );
+               Assert::parameter( $idx !== false, '$a', 'must be in stack' );
+               array_splice( $this->elements, $idx + 1, 0, [ $b ] );
+       }
+
+       # Fostering and adoption.
+
+       /**
+        * Foster parent the given $elt in the stack of open elements.
+        * @param BalanceElement|string $elt
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#foster-parent
+        */
+       private function fosterParent( $elt ) {
+               Assert::parameterType( 'MediaWiki\Tidy\BalanceElement|string', $elt, '$elt' );
+               $lastTable = $this->indexOf( 'table' );
+               $lastTemplate = $this->indexOf( 'template' );
+               $parent = null;
+               $before = null;
+
+               if ( $lastTemplate >= 0 && ( $lastTable < 0 || $lastTemplate > $lastTable ) ) {
+                       $parent = $this->elements[$lastTemplate];
+               } elseif ( $lastTable >= 0 ) {
+                       $parent = $this->elements[$lastTable]->parent;
+                       # Assume all tables have parents, since we're not running scripts!
+                       Assert::invariant(
+                               $parent !== null, "All tables should have parents"
+                       );
+                       $before = $this->elements[$lastTable];
+               } else {
+                       $parent = $this->elements[0]; // the `html` element.
+               }
+               if ( $before ) {
+                       $parent->insertBefore( $before, $elt );
+               } else {
+                       $parent->appendChild( $elt );
+               }
+               return $elt;
+       }
+
+       /**
+        * Run the "adoption agency algoritm" (AAA) for the given subject
+        * tag name.
+        * @param string $tag The subject tag name.
+        * @param BalanceActiveFormattingElements $afe The current
+        *   active formatting elements list.
+        * @return true if the adoption agency algorithm "did something", false
+        *   if more processing is required by the caller.
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#adoption-agency-algorithm
+        */
+       public function adoptionAgency( $tag, $afe ) {
+               // If the current node is an HTML element whose tag name is subject,
+               // and the current node is not in the list of active formatting
+               // elements, then pop the current node off the stack of open
+               // elements and abort these steps.
+               if (
+                       $this->currentNode()->isA( $tag ) &&
+                       $afe->indexOf( $this->currentNode() ) < 0
+               ) {
+                       $this->pop();
+                       return true; // no more handling required
+               }
+
+               // Let outer loop counter be zero.
+               $outer = 0;
+
+               // Outer loop: If outer loop counter is greater than or
+               // equal to eight, then abort these steps.
+               while ( $outer < 8 ) {
+                       // Increment outer loop counter by one.
+                       $outer++;
+
+                       // Let the formatting element be the last element in the list
+                       // of active formatting elements that: is between the end of
+                       // the list and the last scope marker in the list, if any, or
+                       // the start of the list otherwise, and has the same tag name
+                       // as the token.
+                       $fmtelt = $afe->findElementByTag( $tag );
+
+                       // If there is no such node, then abort these steps and instead
+                       // act as described in the "any other end tag" entry below.
+                       if ( !$fmtelt ) {
+                               return false; // false means handle by the default case
+                       }
+
+                       // Otherwise, if there is such a node, but that node is not in
+                       // the stack of open elements, then this is a parse error;
+                       // remove the element from the list, and abort these steps.
+                       $index = $this->indexOf( $fmtelt );
+                       if ( $index < 0 ) {
+                               $afe->remove( $fmtelt );
+                               return true;   // true means no more handling required
+                       }
+
+                       // Otherwise, if there is such a node, and that node is also in
+                       // the stack of open elements, but the element is not in scope,
+                       // then this is a parse error; ignore the token, and abort
+                       // these steps.
+                       if ( !$this->inScope( $fmtelt ) ) {
+                               return true;
+                       }
+
+                       // Let the furthest block be the topmost node in the stack of
+                       // open elements that is lower in the stack than the formatting
+                       // element, and is an element in the special category. There
+                       // might not be one.
+                       $furthestblock = null;
+                       $furthestblockindex = -1;
+                       $stacklen = $this->length();
+                       for ( $i = $index+1; $i < $stacklen; $i++ ) {
+                               if ( $this->node( $i )->isA( BalanceSets::$specialSet ) ) {
+                                       $furthestblock = $this->node( $i );
+                                       $furthestblockindex = $i;
+                                       break;
+                               }
+                       }
+
+                       // If there is no furthest block, then the UA must skip the
+                       // subsequent steps and instead just pop all the nodes from the
+                       // bottom of the stack of open elements, from the current node
+                       // up to and including the formatting element, and remove the
+                       // formatting element from the list of active formatting
+                       // elements.
+                       if ( !$furthestblock ) {
+                               $this->popTag( $fmtelt );
+                               $afe->remove( $fmtelt );
+                               return true;
+                       } else {
+                               // Let the common ancestor be the element immediately above
+                               // the formatting element in the stack of open elements.
+                               $ancestor = $this->node( $index-1 );
+
+                               // Let a bookmark note the position of the formatting
+                               // element in the list of active formatting elements
+                               // relative to the elements on either side of it in the
+                               // list.
+                               $BOOKMARK = new BalanceElement( '[bookmark]', '[bookmark]', '' );
+                               $afe->insertAfter( $fmtelt, $BOOKMARK );
+
+                               // Let node and last node be the furthest block.
+                               $node = $furthestblock;
+                               $lastnode = $furthestblock;
+                               $nodeindex = $furthestblockindex;
+                               $nodeafeindex = -1;
+
+                               // Let inner loop counter be zero.
+                               $inner = 0;
+
+                               while ( true ) {
+
+                                       // Increment inner loop counter by one.
+                                       $inner++;
+
+                                       // Let node be the element immediately above node in
+                                       // the stack of open elements, or if node is no longer
+                                       // in the stack of open elements (e.g. because it got
+                                       // removed by this algorithm), the element that was
+                                       // immediately above node in the stack of open elements
+                                       // before node was removed.
+                                       $node = $this->node( --$nodeindex );
+
+                                       // If node is the formatting element, then go
+                                       // to the next step in the overall algorithm.
+                                       if ( $node === $fmtelt ) break;
+
+                                       // If the inner loop counter is greater than three and node
+                                       // is in the list of active formatting elements, then remove
+                                       // node from the list of active formatting elements.
+                                       $nodeafeindex = $afe->indexOf( $node );
+                                       if ( $inner > 3 && $nodeafeindex !== -1 ) {
+                                               $afe->remove( $node );
+                                               $nodeafeindex = -1;
+                                       }
+
+                                       // If node is not in the list of active formatting
+                                       // elements, then remove node from the stack of open
+                                       // elements and then go back to the step labeled inner
+                                       // loop.
+                                       if ( $nodeafeindex === -1 ) {
+                                               // Don't flatten here, since we're about to relocate
+                                               // parts of this $node.
+                                               $this->removeElement( $node, false );
+                                               continue;
+                                       }
+
+                                       // Create an element for the token for which the
+                                       // element node was created with common ancestor as
+                                       // the intended parent, replace the entry for node
+                                       // in the list of active formatting elements with an
+                                       // entry for the new element, replace the entry for
+                                       // node in the stack of open elements with an entry for
+                                       // the new element, and let node be the new element.
+                                       $newelt = $afe->cloneAt( $nodeafeindex ); // XXX
+                                       $afe->replace( $node, $newelt );
+                                       $this->replaceAt( $nodeindex, $newelt );
+                                       $node = $newelt;
+
+                                       // If last node is the furthest block, then move the
+                                       // aforementioned bookmark to be immediately after the
+                                       // new node in the list of active formatting elements.
+                                       if ( $lastnode === $furthestblock ) {
+                                               $afe->remove( $BOOKMARK );
+                                               $afe->insertAfter( $newelt, $BOOKMARK );
+                                       }
+
+                                       // Insert last node into node, first removing it from
+                                       // its previous parent node if any.
+                                       $node->appendChild( $lastnode );
+
+                                       // Let last node be node.
+                                       $lastnode = $node;
+                               }
+
+                               // If the common ancestor node is a table, tbody, tfoot,
+                               // thead, or tr element, then, foster parent whatever last
+                               // node ended up being in the previous step, first removing
+                               // it from its previous parent node if any.
+                               if (
+                                       $this->fosterParentMode &&
+                                       $ancestor->isA( BalanceSets::$tableSectionRowSet )
+                               ) {
+                                       $this->fosterParent( $lastnode );
+                               } else {
+                                       // Otherwise, append whatever last node ended up being in
+                                       // the previous step to the common ancestor node, first
+                                       // removing it from its previous parent node if any.
+                                       $ancestor->appendChild( $lastnode );
+                               }
+
+                               // Create an element for the token for which the
+                               // formatting element was created, with furthest block
+                               // as the intended parent.
+                               $newelt2 = $afe->cloneAt( $afe->indexOf( $fmtelt ) );
+
+                               // Take all of the child nodes of the furthest block and
+                               // append them to the element created in the last step.
+                               $newelt2->adoptChildren( $furthestblock );
+
+                               // Append that new element to the furthest block.
+                               $furthestblock->appendChild( $newelt2 );
+
+                               // Remove the formatting element from the list of active
+                               // formatting elements, and insert the new element into the
+                               // list of active formatting elements at the position of
+                               // the aforementioned bookmark.
+                               $afe->remove( $fmtelt );
+                               $afe->replace( $BOOKMARK, $newelt2 );
+
+                               // Remove the formatting element from the stack of open
+                               // elements, and insert the new element into the stack of
+                               // open elements immediately below the position of the
+                               // furthest block in that stack.
+                               $this->removeElement( $fmtelt );
+                               $this->insertAfter( $furthestblock, $newelt2 );
+                       }
+               }
+
+               return true;
+       }
+
+       /**
+        * Return the contents of the open elements stack as a string for
+        * debugging.
+        * @return string
+        */
+       public function __toString() {
+               $r = [];
+               foreach ( $this->elements as $elt ) {
+                       array_push( $r, $elt->localName );
+               }
+               return implode( $r, ' ' );
+       }
+}
+
+/**
+ * The list of active formatting elements, which is used to handle
+ * mis-nested formatting element tags in the HTML5 tree builder
+ * specification.
+ *
+ * @ingroup Parser
+ * @since 1.27
+ * @see https://html.spec.whatwg.org/multipage/syntax.html#list-of-active-formatting-elements
+ */
+class BalanceActiveFormattingElements {
+       private $elemList = [];
+       private $attribList = [];
+       private static $MARKER = '|';
+
+       public function insertMarker() {
+               $this->elemList[] = self::$MARKER;
+               $this->attribList[] = self::$MARKER;
+       }
+
+       public function push( $elt, $attribs ) {
+               // "Noah's Ark clause" -- if there are already three copies of
+               // this element before we encounter a marker, then drop the last
+               // one.
+               $count = 0;
+               for ( $i = count( $this->elemList ) - 1; $i >= 0; $i-- ) {
+                       if ( $this->elemList[$i] === self::$MARKER ) {
+                               break;
+                       }
+                       // Note that we rely on Sanitizer::fixTagAttributes having run
+                       // previously with the $sorted option true.  The attributes are
+                       // thus canonicalized, which allows us to compare $attribs with
+                       // a simple string compare.
+                       if (
+                               $this->elemList[$i]->localName === $elt->localName &&
+                               $this->attribList[$i] === $elt->attribs
+                       ) {
+                               $count++;
+                               if ( $count === 3 ) {
+                                       array_splice( $this->elemList, $i, 1 );
+                                       array_splice( $this->attribList, $i, 1 );
+                                       break;
+                               }
+                       }
+               }
+               // Now push the new element onto the list.
+               $this->elemList[] = $elt;
+               // Spec says we have to clone the attribs, in case the element's
+               // attributes are later modified.
+               $this->attribList[] = $elt->attribs;
+       }
+
+       public function clearToMarker() {
+               # This is deliberately >0 not >=0, since it doesn't matter if element
+               # 0 is the marker, we clear the whole list in that case regardless.
+               for ( $i = count( $this->elemList ) - 1; $i > 0; $i-- ) {
+                       if ( $this->elemList[$i] === self::$MARKER ) {
+                               break;
+                       }
+               }
+               array_splice( $this->elemList, $i );
+               array_splice( $this->attribList, $i );
+       }
+
+       /**
+        * Find and return the last element with the specified tag between the
+        * end of the list and the last marker on the list.
+        * Used when parsing &lt;a&gt; "in body mode".
+        */
+       public function findElementByTag( $tag ) {
+               for ( $i = count( $this->elemList ) - 1; $i >= 0; $i-- ) {
+                       $elt = $this->elemList[$i];
+                       if ( $elt === self::$MARKER ) {
+                               break;
+                       }
+                       if ( $elt->localName === $tag ) {
+                               return $elt;
+                       }
+               }
+               return null;
+       }
+
+       public function indexOf( $elt ) {
+               for ( $i = count( $this->elemList ) - 1; $i >= 0; $i-- ) {
+                       if ( $this->elemList[$i] === $elt ) {
+                               return $i;
+                       }
+               }
+               return -1;
+       }
+
+       /**
+        * Find the element $elt in the list and remove it.
+        * Used when parsing &lt;a&gt; in body mode.
+        */
+       public function remove( $elt ) {
+               $idx = $this->indexOf( $elt );
+               Assert::parameter( $idx >= 0, '$elt', 'should be present in afe list' );
+               array_splice( $this->elemList, $idx, 1 );
+               array_splice( $this->attribList, $idx, 1 );
+       }
+
+       /**
+        * Find element $a in the list and replace it with element $b,
+        * optionally replacing the stored attributes as well with $attribs.
+        */
+       public function replace( $a, $b, $attribs=null ) {
+               $idx = $this->indexOf( $a );
+               if ( $idx >= 0 ) {
+                       $this->elemList[ $idx ] = $b;
+                       if ( $attribs !== null ) {
+                               $this->attribList[  $idx ] = $attribs;
+                       }
+               }
+       }
+
+       /**
+        * Find $a in the list and insert $b after it.
+        * This is only used for insert a bookmark object, so the
+        * $this->attribList contents don't really matter.
+        */
+       public function insertAfter( $a, $b ) {
+               $idx = $this->indexOf( $a );
+               if ( $idx >= 0 ) {
+                       array_splice( $this->elemList, $idx, 0, [ $b ] );
+                       array_splice( $this->attribList, $idx, 0, [ '' ] );
+               }
+       }
+
+       /**
+        * Make a copy of element $idx on the list of active formatting
+        * elements, using its original attributes not current attributes.
+        * (In full HTML spec, current attributes could have been modified
+        * by a script.)
+        */
+       public function cloneAt( $idx ) {
+               $node = $this->elemList[$idx];
+               $attribs = $this->attribList[$idx];
+               return new BalanceElement(
+                       $node->namespaceURI, $node->localName, $attribs
+               );
+       }
+
+       // @codingStandardsIgnoreStart Generic.Files.LineLength.TooLong
+       /**
+        * Reconstruct the active formatting elements.
+        * @param BalanceStack $stack The open elements stack
+        * @see https://html.spec.whatwg.org/multipage/syntax.html#reconstruct-the-active-formatting-elements
+        */
+       // @codingStandardsIgnoreEnd
+       public function reconstruct( $stack ) {
+               if ( empty( $this->elemList ) ) {
+                       return;
+               }
+               $len = count( $this->elemList );
+               $entry = $this->elemList[$len - 1];
+               // If the last is a marker, do nothing.
+               if ( $entry === self::$MARKER ) {
+                       return;
+               }
+               // Or if it is an open element, do nothing.
+               if ( $stack->indexOf( $entry ) >= 0 ) {
+                       return;
+               }
+
+               // Loop backward through the list until we find a marker or an
+               // open element, and then move forward one from there.
+               for ( $i = $len - 2; $i >= 0; $i-- ) {
+                       $entry = $this->elemList[$i];
+                       if ( $entry === self::$MARKER ) {
+                               break;
+                       }
+                       if ( $stack->indexOf( $entry ) >= 0 ) {
+                               break;
+                       }
+               }
+
+               // Now loop forward, starting from the element after the current
+               // one, recreating formatting elements and pushing them back onto
+               // the list of open elements
+               for ( $i++; $i < $len; $i++ ) {
+                       $this->elemList[$i] = $stack->insertHTMLElement(
+                               $this->elemList[$i]->localName,
+                               $this->attribList[$i]
+                       );
+               }
+       }
+}
+
+/**
+ * An implementation of the tree building portion of the HTML5 parsing
+ * spec.
+ *
+ * This is used to balance and tidy output so that the result can
+ * always be cleanly serialized/deserialized by an HTML5 parser.  It
+ * does *not* guarantee "conforming" output -- the HTML5 spec contains
+ * a number of constraints which are not enforced by the HTML5 parsing
+ * process.  But the result will be free of gross errors: misnested or
+ * unclosed tags, for example, and will be unchanged by spec-complient
+ * parsing followed by serialization.
+ *
+ * The tree building stage is structured as a state machine.
+ * When comparing the implementation to
+ * https://www.w3.org/TR/html5/syntax.html#tree-construction
+ * note that each state is implemented as a function with a
+ * name ending in `Mode` (because the HTML spec refers to them
+ * as insertion modes).  The current insertion mode is held by
+ * the $parseMode property.
+ *
+ * The following simplifications have been made:
+ * - We handle body content only (ie, we start `in body`.)
+ * - The document is never in "quirks mode".
+ * - All occurrences of < and > have been entity escaped, so we
+ *   can parse tags by simply splitting on those two characters.
+ *   Similarly, all attributes have been "cleaned" and are double-quoted
+ *   and escaped.
+ * - All comments and null characters are assumed to have been removed.
+ * - We don't alter linefeeds after <pre>/<listing>.
+ * - The following elements are disallowed: <html>, <head>, <body>, <frameset>,
+ *   <form>, <frame>, <plaintext>, <isindex>, <textarea>, <xmp>, <iframe>,
+ *   <noembed>, <noscript>, <select>, <script>, <title>.  As a result,
+ *   further simplifications can be made:
+ *   - `frameset-ok` is not tracked.
+ *   - `form element pointer` is not tracked.
+ *   - `head element pointer` is not tracked (but presumed non-null)
+ *   - Tokenizer has only a single mode.
+ *
+ *   We generally mark places where we omit cases from the spec due to
+ *   disallowed elements with a comment: `# OMITTED: <element-name>`.
+ *
+ *   The HTML spec keeps a flag during the parsing process to track
+ *   whether or not a "parse error" has been encountered.  We don't
+ *   bother to track that flag, we just implement the error-handling
+ *   process as specified.
+ *
+ * @ingroup Parser
+ * @since 1.27
+ * @see https://html.spec.whatwg.org/multipage/syntax.html#tree-construction
+ */
+class Balancer {
+       private $parseMode;
+       private $bitsIterator;
+       private $allowedHtmlElements;
+       private $afe;
+       private $stack;
+       private $strict;
+
+       private $textIntegrationMode = false;
+       private $pendingTableText;
+       private $originalInsertionMode;
+       private $fragmentContext;
+
+       /**
+        * Create a new Balancer.
+        * @param array $config Balancer configuration.  Includes:
+        *     'strict' : boolean, defaults to false.
+        *         When true, enforces syntactic constraints on input:
+        *         all non-tag '<' must be escaped, all attributes must be
+        *         separated by a single space and double-quoted.  This is
+        *         consistent with the output of the Sanitizer.
+        *     'allowedHtmlElements' : array, defaults to null.
+        *         When present, the keys of this associative array give
+        *         the acceptable HTML tag names.  When not present, no
+        *         tag sanitization is done.
+        */
+       public function __construct( array $config ) {
+               $config = $config + [
+                       'strict' => false,
+                       'allowedHtmlElements' => null,
+               ];
+               $this->allowedHtmlElements = $config['allowedHtmlElements'];
+               $this->strict = $config['strict'];
+               if ( $this->allowedHtmlElements !== null ) {
+                       # Sanity check!
+                       $bad = array_uintersect_assoc(
+                               $this->allowedHtmlElements,
+                               BalanceSets::$unsupportedSet[BalanceSets::HTML_NAMESPACE],
+                               function( $a, $b ) {
+                                       // Ignore the values (just intersect the keys) by saying
+                                       // all values are equal to each other.
+                                       return 0;
+                               }
+                       );
+                       if ( count( $bad ) > 0 ) {
+                               $badstr = implode( array_keys( $bad ), ',' );
+                               throw new ParameterAssertionException(
+                                       '$config',
+                                       'Balance attempted with sanitization including ' .
+                                       "unsupported elements: {$badstr}"
+                               );
+                       }
+               }
+       }
+
+       /**
+        * Return a balanced HTML string for the HTML fragment given by $text,
+        * subject to the caveats listed in the class description.  The result
+        * will typically be idempotent -- that is, rebalancing the output
+        * would result in no change.
+        *
+        * @param string $text The markup to be balanced
+        * @param callable $processingCallback Callback to do any variable or
+        *   parameter replacements in HTML attributes values
+        * @param array|bool $processingArgs Arguments for the processing callback
+        * @return string The balanced markup
+        */
+       public function balance( $text, $processingCallback = null, $processingArgs = [] ) {
+               $this->parseMode = 'inBodyMode';
+               $this->bitsIterator = new ExplodeIterator( '<', $text );
+               $this->afe = new BalanceActiveFormattingElements();
+               $this->stack = new BalanceStack();
+               $this->processingCallback = $processingCallback;
+               $this->processingArgs = $processingArgs;
+
+               # The stack is constructed with an <html> element already on it.
+               # Set this up as a fragment parsed with <body> as the context.
+               $this->fragmentContext =
+                       new BalanceElement( BalanceSets::HTML_NAMESPACE, 'body', '' );
+               $this->resetInsertionMode();
+
+               // First element is text not tag
+               $x = $this->bitsIterator->current();
+               $this->bitsIterator->next();
+               $this->insertToken( 'text', str_replace( '>', '&gt;', $x ) );
+               // Now process each tag.
+               while ( $this->bitsIterator->valid() ) {
+                       $this->advance();
+               }
+               $this->insertToken( 'eof', null );
+               $result = $this->stack->getOutput();
+               // Free memory before returning.
+               $this->bitsIterator = null;
+               $this->afe = null;
+               $this->stack = null;
+               $this->fragmentContext = null;
+               return $result;
+       }
+
+       /**
+        * Pass a token to the tree builder.  The $token will be one of the
+        * strings "tag", "endtag", or "text".
+        */
+       private function insertToken( $token, $value, $attribs = null, $selfclose = false ) {
+               // validate tags against $unsupportedSet
+               if ( $token === 'tag' || $token === 'endtag' ) {
+                       if ( isset( BalanceSets::$unsupportedSet[BalanceSets::HTML_NAMESPACE][$value] ) ) {
+                               # As described in "simplifications" above, these tags are
+                               # not supported in the balancer.
+                               Assert::invariant(
+                                       !$this->strict,
+                                       "Unsupported $token <$value> found."
+                               );
+                               return false;
+                       }
+               } elseif ( $token === 'text' && $value === '' ) {
+                       # Don't actually inject the empty string as a text token.
+                       return true;
+               }
+               // Some hoops we have to jump through
+               $adjusted = $this->stack->adjustedCurrentNode( $this->fragmentContext );
+
+               $isForeign = true;
+               if (
+                       $this->stack->length() === 0 ||
+                       $adjusted->isHtml() ||
+                       $token === 'eof'
+               ) {
+                       $isForeign = false;
+               } elseif ( $adjusted->isMathmlTextIntegrationPoint() ) {
+                       if ( $token === 'text' ) {
+                               $isForeign = false;
+                       } elseif (
+                               $token === 'tag' &&
+                               $value !== 'mglyph' && $value !== 'malignmark'
+                       ) {
+                               $isForeign = false;
+                       }
+               } elseif (
+                       $adjusted->namespaceURI === BalanceSets::MATHML_NAMESPACE &&
+                       $adjusted->localName === 'annotation-xml' &&
+                       $token === 'tag' && $value === 'svg'
+               ) {
+                       $isForeign = false;
+               } elseif (
+                       $adjusted->isHtmlIntegrationPoint() &&
+                       ( $token === 'tag' || $token === 'text' )
+               ) {
+                       $isForeign = false;
+               }
+               if ( $isForeign ) {
+                       return $this->insertForeignToken( $token, $value, $attribs, $selfclose );
+               } else {
+                       $func = $this->parseMode;
+                       return $this->$func( $token, $value, $attribs, $selfclose );
+               }
+       }
+
+       private function insertForeignToken( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       $this->stack->insertText( $value );
+                       return true;
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'font':
+                               // We rely on Sanitizer::fixTagAttributes having run on $attribs
+                               // to normalize the form of the tag parameters.
+                               if ( !preg_match( '/(^| )(color|face|size)="/i', $attribs ) ) {
+                                       break;
+                               }
+                               /* otherwise, fall through */
+                       case 'b':
+                       case 'big':
+                       case 'blockquote':
+                       case 'body':
+                       case 'br':
+                       case 'center':
+                       case 'code':
+                       case 'dd':
+                       case 'div':
+                       case 'dl':
+                       case 'dt':
+                       case 'em':
+                       case 'embed':
+                       case 'h1':
+                       case 'h2':
+                       case 'h3':
+                       case 'h4':
+                       case 'h5':
+                       case 'h6':
+                       case 'head':
+                       case 'hr':
+                       case 'i':
+                       case 'img':
+                       case 'li':
+                       case 'listing':
+                       case 'menu':
+                       case 'meta':
+                       case 'nobr':
+                       case 'ol':
+                       case 'p':
+                       case 'pre':
+                       case 'ruby':
+                       case 's':
+                       case 'small':
+                       case 'span':
+                       case 'strong':
+                       case 'strike':
+                       case 'sub':
+                       case 'sup':
+                       case 'table':
+                       case 'tt':
+                       case 'u':
+                       case 'ul':
+                       case 'var':
+                               if ( $this->fragmentContext ) {
+                                       break;
+                               }
+                               while ( true ) {
+                                       $this->stack->pop();
+                                       $node = $this->stack->currentNode();
+                                       if (
+                                               $node->isMathmlTextIntegrationPoint() ||
+                                               $node->isHtmlIntegrationPoint() ||
+                                               $node->isHtml()
+                                       ) {
+                                               break;
+                                       }
+                               }
+                               return $this->insertToken( $token, $value, $attribs, $selfclose );
+                       }
+                       // "Any other start tag"
+                       $adjusted = ( $this->fragmentContext && $this->stack->length()===1 ) ?
+                               $this->fragmentContext : $this->stack->currentNode();
+                       $this->stack->insertForeignElement(
+                               $adjusted->namespaceURI, $value, $attribs
+                       );
+                       if ( $selfclose ) {
+                               $this->stack->pop();
+                       }
+                       return true;
+               } elseif ( $token === 'endtag' ) {
+                       $first = true;
+                       foreach ( $this->stack as $i => $node ) {
+                               if ( $node->isHtml() && !$first ) {
+                                       // process the end tag as HTML
+                                       $func = $this->parseMode;
+                                       return $this->$func( $token, $value, $attribs, $selfclose );
+                               } elseif ( $i === 0 ) {
+                                       return true;
+                               } elseif ( $node->localName === $value ) {
+                                       $this->stack->popTag( $node );
+                                       return true;
+                               }
+                               $first = false;
+                       }
+               }
+       }
+
+       /**
+        * Grab the next "token" from $bitsIterator.  This is either a open/close
+        * tag or text, depending on whether the Sanitizer approves.
+        */
+       private function advance() {
+               $x = $this->bitsIterator->current();
+               $this->bitsIterator->next();
+               $regs = [];
+               # $slash: Does the current element start with a '/'?
+               # $t: Current element name
+               # $attribs: String between element name and >
+               # $brace: Ending '>' or '/>'
+               # $rest: Everything until the next element from the $bitsIterator
+               if ( preg_match( Sanitizer::ELEMENT_BITS_REGEX, $x, $regs ) ) {
+                       list( /* $qbar */, $slash, $t, $attribs, $brace, $rest ) = $regs;
+                       $t = strtolower( $t );
+                       if ( $this->strict ) {
+                               /* Verify that attributes are all properly double-quoted */
+                               Assert::invariant(
+                                       preg_match(
+                                               '/^( [:_A-Z0-9][-.:_A-Z0-9]*="[^"]*")*[ ]*$/i', $attribs
+                                       ),
+                                       "Bad attribute string found"
+                               );
+                       }
+               } else {
+                       Assert::invariant(
+                               !$this->strict, "< found which does not start a valid tag"
+                       );
+                       $slash = $t = $attribs = $brace = $rest = null;
+               }
+               $goodtag = $t;
+               $sanitize = $this->allowedHtmlElements !== null;
+               if ( $sanitize ) {
+                       $goodtag = $t && isset( $this->allowedHtmlElements[$t] );
+               }
+               if ( $goodtag ) {
+                       if ( is_callable( $this->processingCallback ) ) {
+                               call_user_func_array( $this->processingCallback, [ &$attribs, $this->processingArgs ] );
+                       }
+                       if ( $sanitize ) {
+                               $goodtag = Sanitizer::validateTag( $attribs, $t );
+                       }
+               }
+               if ( $goodtag ) {
+                       if ( $sanitize ) {
+                               $newattribs = Sanitizer::fixTagAttributes( $attribs, $t, true );
+                       } else {
+                               $decoded = Sanitizer::decodeTagAttributes( $attribs );
+                               ksort( $decoded );
+                               $newattribs = Sanitizer::safeEncodeTagAttributes( $decoded );
+                       }
+                       $goodtag = $this->insertToken(
+                               $slash ? 'endtag' : 'tag', $t, $newattribs, $brace === '/>'
+                       );
+               }
+               if ( $goodtag ) {
+                       $rest = str_replace( '>', '&gt;', $rest );
+                       $this->insertToken( 'text', str_replace( '>', '&gt;', $rest ) );
+               } else {
+                       # bad tag; serialize entire thing as text.
+                       $this->insertToken( 'text', '&lt;' . str_replace( '>', '&gt;', $x ) );
+               }
+       }
+
+       private function switchMode( $mode ) {
+               Assert::parameter(
+                       substr( $mode, -4 )==='Mode', '$mode', 'should end in Mode'
+               );
+               $oldMode = $this->parseMode;
+               $this->parseMode = $mode;
+               return $oldMode;
+       }
+
+       private function switchModeAndReprocess( $mode, $token, $value, $attribs, $selfclose ) {
+               $this->switchMode( $mode );
+               return $this->insertToken( $token, $value, $attribs, $selfclose );
+       }
+
+       private function resetInsertionMode() {
+               $last = false;
+               foreach ( $this->stack as $i => $node ) {
+                       if ( $i === 0 ) {
+                               $last = true;
+                               if ( $this->fragmentContext ) {
+                                       $node = $this->fragmentContext;
+                               }
+                       }
+                       if ( $node->isHtml() ) {
+                               switch ( $node->localName ) {
+                               # OMITTED: <select>
+                               /*
+                               case 'select':
+                                       $stacklen = $this->stack->length();
+                                       for ( $j = $i + 1; $j < $stacklen-1; $j++ ) {
+                                               $ancestor = $this->stack->node( $stacklen-$j-1 );
+                                               if ( $ancestor->isA( 'template' ) ) {
+                                                       break;
+                                               }
+                                               if ( $ancestor->isA( 'table' ) ) {
+                                                       $this->switchMode( 'inSelectInTableMode' );
+                                                       return;
+                                               }
+                                       }
+                                       $this->switchMode( 'inSelectMode' );
+                                       return;
+                               */
+                               case 'tr':
+                                       $this->switchMode( 'inRowMode' );
+                                       return;
+                               case 'tbody':
+                               case 'tfoot':
+                               case 'thead':
+                                       $this->switchMode( 'inTableBodyMode' );
+                                       return;
+                               case 'caption':
+                                       $this->switchMode( 'inCaptionMode' );
+                                       return;
+                               case 'colgroup':
+                                       $this->switchMode( 'inColumnGroupMode' );
+                                       return;
+                               case 'table':
+                                       $this->switchMode( 'inTableMode' );
+                                       return;
+                               case 'template':
+                                       $this->switchMode(
+                                               array_slice( $this->templateInsertionModes, -1 )[0]
+                                       );
+                                       return;
+                               case 'body':
+                                       $this->switchMode( 'inBodyMode' );
+                                       return;
+                               # OMITTED: <frameset>
+                               # OMITTED: <html>
+                               # OMITTED: <head>
+                               default:
+                                       if ( !$last ) {
+                                               # OMITTED: <head>
+                                               if ( $node->isA( BalanceSets::$tableCellSet ) ) {
+                                                       $this->switchMode( 'inCellMode' );
+                                                       return;
+                                               }
+                                       }
+                               }
+                       }
+                       if ( $last ) {
+                               $this->switchMode( 'inBodyMode' );
+                               return;
+                       }
+               }
+       }
+
+       private function stopParsing() {
+               # Most of the spec methods are inapplicable, other than step 2:
+               # "pop all the nodes off the stack of open elements".
+               # We're going to keep the top-most <html> element on the stack, though.
+               while ( $this->stack->length() > 1 ) {
+                       $this->stack->pop();
+               }
+       }
+
+       private function parseRawText( $value, $attribs = null ) {
+               $this->stack->insertHTMLElement( $value, $attribs );
+               // XXX switch tokenizer to rawtext state?
+               $this->originalInsertionMode = $this->switchMode( 'inTextMode' );
+               return true;
+       }
+
+       private function inTextMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       $this->stack->insertText( $value );
+                       return true;
+               } elseif ( $token === 'eof' ) {
+                       $this->stack->pop();
+                       return $this->switchModeAndReprocess(
+                               $this->originalInsertionMode, $token, $value, $attribs, $selfclose
+                       );
+               } elseif ( $token === 'endtag' ) {
+                       $this->stack->pop();
+                       $this->switchMode( $this->originalInsertionMode );
+                       return true;
+               }
+               return true;
+       }
+
+       private function inHeadMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       if ( preg_match( '/^[\x09\x0A\x0C\x0D\x20]+/', $value, $matches ) ) {
+                               $this->stack->insertText( $matches[0] );
+                               $value = substr( $value, strlen( $matches[0] ) );
+                       }
+                       if ( strlen( $value ) === 0 ) {
+                               return true; // All text handled.
+                       }
+                       // Fall through to handle non-whitespace below.
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       # OMITTED: <html>
+                       case 'base':
+                       case 'basefont':
+                       case 'bgsound':
+                       case 'link':
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               return true;
+                       # OMITTED: <title>
+                       # OMITTED: <noscript>
+                       case 'noframes':
+                       case 'style':
+                               return $this->parseRawText( $value, $attribs );
+                       # OMITTED: <script>
+                       case 'template':
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->afe->insertMarker();
+                               # OMITTED: frameset_ok
+                               $this->switchMode( 'inTemplateMode' );
+                               $this->templateInsertionModes[] = $this->parseMode;
+                               return true;
+                       # OMITTED: <head>
+                       }
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       # OMITTED: <head>
+                       # OMITTED: <body>
+                       # OMITTED: <html>
+                       case 'br':
+                               break; // handle at the bottom of the function
+                       case 'template':
+                               if ( $this->stack->indexOf( $value ) < 0 ) {
+                                       return true; // Ignore the token.
+                               }
+                               $this->stack->generateImpliedEndTags( null, true /* thorough */ );
+                               $this->stack->popTag( $value );
+                               $this->afe->clearToMarker();
+                               array_pop( $this->templateInsertionModes );
+                               $this->resetInsertionMode();
+                               return true;
+                       default:
+                               // ignore any other end tag
+                               return true;
+                       }
+               }
+
+               // If not handled above
+               $this->inHeadMode( 'endtag', 'head' ); // synthetic </head>
+               // Then redo this one
+               return $this->insertToken( $token, $value, $attribs, $selfclose );
+       }
+
+       private function inBodyMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       $this->afe->reconstruct( $this->stack );
+                       $this->stack->insertText( $value );
+                       return true;
+               } elseif ( $token === 'eof' ) {
+                       if ( !empty( $this->templateInsertionModes ) ) {
+                               return $this->inTemplateMode( $token, $value, $attribs, $selfclose );
+                       }
+                       $this->stopParsing();
+                       return true;
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       # OMITTED: <html>
+                       case 'base':
+                       case 'basefont':
+                       case 'bgsound':
+                       case 'link':
+                       case 'meta':
+                       case 'noframes':
+                       # OMITTED: <script>
+                       case 'style':
+                       case 'template':
+                       # OMITTED: <title>
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+                       # OMITTED: <body>
+                       # OMITTED: <frameset>
+
+                       case 'address':
+                       case 'article':
+                       case 'aside':
+                       case 'blockquote':
+                       case 'center':
+                       case 'details':
+                       case 'dialog':
+                       case 'dir':
+                       case 'div':
+                       case 'dl':
+                       case 'fieldset':
+                       case 'figcaption':
+                       case 'figure':
+                       case 'footer':
+                       case 'header':
+                       case 'hgroup':
+                       case 'main':
+                       case 'menu':
+                       case 'nav':
+                       case 'ol':
+                       case 'p':
+                       case 'section':
+                       case 'summary':
+                       case 'ul':
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'h1':
+                       case 'h2':
+                       case 'h3':
+                       case 'h4':
+                       case 'h5':
+                       case 'h6':
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               if ( $this->stack->currentNode()->isA( BalanceSets::$headingSet ) ) {
+                                       $this->stack->pop();
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'pre':
+                       case 'listing':
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               # As described in "simplifications" above:
+                               # 1. We don't touch the next token, even if it's a linefeed.
+                               # 2. OMITTED: frameset_ok
+                               return true;
+
+                       # OMITTED: <form>
+
+                       case 'li':
+                               # OMITTED: frameset_ok
+                               foreach ( $this->stack as $node ) {
+                                       if ( $node->isA( 'li' ) ) {
+                                               $this->inBodyMode( 'endtag', 'li' );
+                                               break;
+                                       }
+                                       if (
+                                               $node->isA( BalanceSets::$specialSet ) &&
+                                               !$node->isA( BalanceSets::$addressDivPSet )
+                                       ) {
+                                               break;
+                                       }
+                               }
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'dd':
+                       case 'dt':
+                               # OMITTED: frameset_ok
+                               foreach ( $this->stack as $node ) {
+                                       if ( $node->isA( 'dd' ) ) {
+                                               $this->inBodyMode( 'endtag', 'dd' );
+                                               break;
+                                       }
+                                       if ( $node->isA( 'dt' ) ) {
+                                               $this->inBodyMode( 'endtag', 'dt' );
+                                               break;
+                                       }
+                                       if (
+                                               $node->isA( BalanceSets::$specialSet ) &&
+                                               !$node->isA( BalanceSets::$addressDivPSet )
+                                       ) {
+                                               break;
+                                       }
+                               }
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       # OMITTED: <plaintext>
+
+                       case 'button':
+                               if ( $this->stack->inScope( 'button' ) ) {
+                                       $this->inBodyMode( 'endtag', 'button' );
+                                       return $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'a':
+                               $activeElement = $this->afe->findElementByTag( 'a' );
+                               if ( $activeElement ) {
+                                       $this->inBodyMode( 'endtag', 'a' );
+                                       if ( $this->afe->indexOf( $activeElement ) >= 0 ) {
+                                               $this->afe->remove( $activeElement );
+                                               // Don't flatten here, since when we fall
+                                               // through below we might foster parent
+                                               // the new <a> tag inside this one.
+                                               $this->stack->removeElement( $activeElement, false );
+                                       }
+                               }
+                               /* Falls through */
+                       case 'b':
+                       case 'big':
+                       case 'code':
+                       case 'em':
+                       case 'font':
+                       case 'i':
+                       case 's':
+                       case 'small':
+                       case 'strike':
+                       case 'strong':
+                       case 'tt':
+                       case 'u':
+                               $this->afe->reconstruct( $this->stack );
+                               $this->afe->push( $this->stack->insertHTMLElement( $value, $attribs ), $attribs );
+                               return true;
+
+                       case 'nobr':
+                               $this->afe->reconstruct( $this->stack );
+                               if ( $this->stack->inScope( 'nobr' ) ) {
+                                       $this->inBodyMode( 'endtag', 'nobr' );
+                                       $this->afe->reconstruct( $this->stack );
+                               }
+                               $this->afe->push( $this->stack->insertHTMLElement( $value, $attribs ), $attribs );
+                               return true;
+
+                       case 'applet':
+                       case 'marquee':
+                       case 'object':
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->afe->insertMarker();
+                               # OMITTED: frameset_ok
+                               return true;
+
+                       case 'table':
+                               # The document is never in "quirks mode"; see simplifications
+                               # above.
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               # OMITTED: frameset_ok
+                               $this->switchMode( 'inTableMode' );
+                               return true;
+
+                       case 'area':
+                       case 'br':
+                       case 'embed':
+                       case 'img':
+                       case 'keygen':
+                       case 'wbr':
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               # OMITTED: frameset_ok
+                               return true;
+
+                       case 'input':
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               # OMITTED: frameset_ok
+                               # (hence we don't need to examine the tag's "type" attribute)
+                               return true;
+
+                       case 'menuitem':
+                       case 'param':
+                       case 'source':
+                       case 'track':
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               return true;
+
+                       case 'hr':
+                               if ( $this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'endtag', 'p' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               return true;
+
+                       case 'image':
+                               # warts!
+                               return $this->inBodyMode( $token, 'img', $attribs, $selfclose );
+
+                       # OMITTED: <isindex>
+                       # OMITTED: <textarea>
+                       # OMITTED: <xmp>
+                       # OMITTED: <iframe>
+                       # OMITTED: <noembed>
+                       # OMITTED: <noscript>
+
+                       # OMITTED: <select>
+                       /*
+                       case 'select':
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               switch ( $this->parseMode ) {
+                               case 'inTableMode':
+                               case 'inCaptionMode':
+                               case 'inTableBodyMode':
+                               case 'inRowMode':
+                               case 'inCellMode':
+                                       $this->switchMode( 'inSelectInTableMode' );
+                                       return true;
+                               default:
+                                       $this->switchMode( 'inSelectMode' );
+                                       return true;
+                               }
+                       */
+
+                       case 'optgroup':
+                       case 'option':
+                               if ( $this->stack->currentNode()->isA( 'option' ) ) {
+                                       $this->inBodyMode( 'endtag', 'option' );
+                               }
+                               $this->afe->reconstruct( $this->stack );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'rb':
+                       case 'rtc':
+                               if ( $this->stack->inScope( 'ruby' ) ) {
+                                       $this->stack->generateImpliedEndTags();
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'rp':
+                       case 'rt':
+                               if ( $this->stack->inScope( 'ruby' ) ) {
+                                       $this->stack->generateImpliedEndTags( 'rtc' );
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               return true;
+
+                       case 'math':
+                               $this->afe->reconstruct( $this->stack );
+                               # We skip the spec's "adjust MathML attributes" and
+                               # "adjust foreign attributes" steps, since the browser will
+                               # do this later when it parses the output and it doesn't affect
+                               # balancing.
+                               $this->stack->insertForeignElement(
+                                       BalanceSets::MATHML_NAMESPACE, $value, $attribs
+                               );
+                               if ( $selfclose ) {
+                                       # emit explicit </math> tag.
+                                       $this->stack->pop();
+                               }
+                               return true;
+
+                       case 'svg':
+                               $this->afe->reconstruct( $this->stack );
+                               # We skip the spec's "adjust SVG attributes" and
+                               # "adjust foreign attributes" steps, since the browser will
+                               # do this later when it parses the output and it doesn't affect
+                               # balancing.
+                               $this->stack->insertForeignElement(
+                                       BalanceSets::SVG_NAMESPACE, $value, $attribs
+                               );
+                               if ( $selfclose ) {
+                                       # emit explicit </svg> tag.
+                                       $this->stack->pop();
+                               }
+                               return true;
+
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <frame>
+                       case 'head':
+                       case 'tbody':
+                       case 'td':
+                       case 'tfoot':
+                       case 'th':
+                       case 'thead':
+                       case 'tr':
+                               // Ignore table tags if we're not inTableMode
+                               return true;
+                       }
+
+                       // Handle any other start tag here
+                       $this->afe->reconstruct( $this->stack );
+                       $this->stack->insertHTMLElement( $value, $attribs );
+                       return true;
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       # </body>,</html> are unsupported.
+
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+
+                       case 'address':
+                       case 'article':
+                       case 'aside':
+                       case 'blockquote':
+                       case 'button':
+                       case 'center':
+                       case 'details':
+                       case 'dialog':
+                       case 'dir':
+                       case 'div':
+                       case 'dl':
+                       case 'fieldset':
+                       case 'figcaption':
+                       case 'figure':
+                       case 'footer':
+                       case 'header':
+                       case 'hgroup':
+                       case 'listing':
+                       case 'main':
+                       case 'menu':
+                       case 'nav':
+                       case 'ol':
+                       case 'pre':
+                       case 'section':
+                       case 'summary':
+                       case 'ul':
+                               // Ignore if there is not a matching open tag
+                               if ( !$this->stack->inScope( $value ) ) {
+                                       return true;
+                               }
+                               $this->stack->generateImpliedEndTags();
+                               $this->stack->popTag( $value );
+                               return true;
+
+                       # OMITTED: <form>
+
+                       case 'p':
+                               if ( !$this->stack->inButtonScope( 'p' ) ) {
+                                       $this->inBodyMode( 'tag', 'p', '' );
+                                       return $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               $this->stack->generateImpliedEndTags( $value );
+                               $this->stack->popTag( $value );
+                               return true;
+
+                       case 'li':
+                               if ( !$this->stack->inListItemScope( $value ) ) {
+                                       return true; # ignore
+                               }
+                               $this->stack->generateImpliedEndTags( $value );
+                               $this->stack->popTag( $value );
+                               return true;
+
+                       case 'dd':
+                       case 'dt':
+                               if ( !$this->stack->inScope( $value ) ) {
+                                       return true; # ignore
+                               }
+                               $this->stack->generateImpliedEndTags( $value );
+                               $this->stack->popTag( $value );
+                               return true;
+
+                       case 'h1':
+                       case 'h2':
+                       case 'h3':
+                       case 'h4':
+                       case 'h5':
+                       case 'h6':
+                               if ( !$this->stack->inScope( BalanceSets::$headingSet ) ) {
+                                       return;
+                               }
+                               $this->stack->generateImpliedEndTags();
+                               $this->stack->popTag( BalanceSets::$headingSet );
+                               return true;
+
+                       case 'sarcasm':
+                               # Take a deep breath, then:
+                               break;
+
+                       case 'a':
+                       case 'b':
+                       case 'big':
+                       case 'code':
+                       case 'em':
+                       case 'font':
+                       case 'i':
+                       case 'nobr':
+                       case 's':
+                       case 'small':
+                       case 'strike':
+                       case 'strong':
+                       case 'tt':
+                       case 'u':
+                               if ( $this->stack->adoptionAgency( $value, $this->afe ) ) {
+                                       return true; # If we did something, we're done.
+                               }
+                               break; # Go to the "any other end tag" case.
+
+                       case 'applet':
+                       case 'marquee':
+                       case 'object':
+                               if ( !$this->stack->inScope( $value ) ) {
+                                       return true; # ignore
+                               }
+                               $this->stack->generateImpliedEndTags();
+                               $this->stack->popTag( $value );
+                               $this->afe->clearToMarker();
+                               return true;
+
+                       case 'br':
+                               # Turn </br> into <br>
+                               return $this->inBodyMode( 'tag', $value, '' );
+                       }
+
+                       // Any other end tag goes here
+                       foreach ( $this->stack as $i => $node ) {
+                               if ( $node->isA( $value ) ) {
+                                       $this->stack->generateImpliedEndTags( $value );
+                                       $this->stack->popTo( $i ); # including $i
+                                       break;
+                               } elseif ( $node->isA( BalanceSets::$specialSet ) ) {
+                                       return true; // ignore this close token.
+                               }
+                       }
+                       return true;
+               } else {
+                       Assert::invariant( false, "Bad token type: $token" );
+               }
+       }
+
+       private function inTableMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       if ( $this->textIntegrationMode ) {
+                               return $this->inBodyMode( $token, $value, $attribs, $selfclose );
+                       } elseif ( $this->stack->currentNode()->isA( BalanceSets::$tableSectionRowSet ) ) {
+                               $this->pendingTableText = '';
+                               $this->originalInsertionMode = $this->parseMode;
+                               return $this->switchModeAndReprocess( 'inTableTextMode', $token, $value, $attribs, $selfclose );
+                       }
+                       // fall through to default case.
+               } elseif ( $token === 'eof' ) {
+                       $this->stopParsing();
+                       return true;
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'caption':
+                               $this->afe->insertMarker();
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->switchMode( 'inCaptionMode' );
+                               return true;
+                       case 'colgroup':
+                               $this->stack->clearToContext( BalanceSets::$tableContextSet );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->switchMode( 'inColumnGroupMode' );
+                               return true;
+                       case 'col':
+                               $this->inTableMode( 'tag', 'colgroup', '' );
+                               return $this->insertToken( $token, $value, $attribs, $selfclose );
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                               $this->stack->clearToContext( BalanceSets::$tableContextSet );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->switchMode( 'inTableBodyMode' );
+                               return true;
+                       case 'td':
+                       case 'th':
+                       case 'tr':
+                               $this->inTableMode( 'tag', 'tbody', '' );
+                               return $this->insertToken( $token, $value, $attribs, $selfclose );
+                       case 'table':
+                               if ( !$this->stack->inTableScope( $value ) ) {
+                                       return true; // Ignore this tag.
+                               }
+                               $this->inTableMode( 'endtag', $value );
+                               return $this->insertToken( $token, $value, $attribs, $selfclose );
+
+                       case 'style':
+                       # OMITTED: <script>
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+
+                       case 'input':
+                               // We rely on Sanitizer::fixTagAttributes having run on $attribs
+                               // to normalize the form of the tag parameters.
+                               if ( !preg_match( '/(^| )type="hidden"/i', $attribs ) ) {
+                                       break; // Handle this as "everything else"
+                               }
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               return true;
+
+                       # OMITTED: <form>
+                       }
+                       // Fall through for "anything else" clause.
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'table':
+                               if ( !$this->stack->inTableScope( $value ) ) {
+                                       return true; // Ignore.
+                               }
+                               $this->stack->popTag( $value );
+                               $this->resetInsertionMode();
+                               return true;
+                       # OMITTED: <body>
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <html>
+                       case 'tbody':
+                       case 'td':
+                       case 'tfoot':
+                       case 'th':
+                       case 'thead':
+                       case 'tr':
+                               return true; // Ignore the token.
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+                       }
+                       // Fall through for "anything else" clause.
+               }
+               // This is the "anything else" case:
+               $this->stack->fosterParentMode = true;
+               $this->inBodyMode( $token, $value, $attribs, $selfclose );
+               $this->stack->fosterParentMode = false;
+               return true;
+       }
+
+       private function inTableTextMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       $this->pendingTableText .= $value;
+                       return true;
+               }
+               // Non-text token:
+               $text = $this->pendingTableText;
+               $this->pendingTableText = '';
+               if ( preg_match( '/[^\x09\x0A\x0C\x0D\x20]/', $text ) ) {
+                       // This should match the "anything else" case inTableMode
+                       $this->stack->fosterParentMode = true;
+                       $this->inBodyMode( 'text', $text );
+                       $this->stack->fosterParentMode = false;
+               } else {
+                       // Pending text is just whitespace.
+                       $this->stack->insertText( $text );
+               }
+               return $this->switchModeAndReprocess(
+                       $this->originalInsertionMode, $token, $value, $attribs, $selfclose
+               );
+       }
+
+       // helper for inCaptionMode
+       private function endCaption() {
+               if ( !$this->stack->inTableScope( 'caption' ) ) {
+                       return false;
+               }
+               $this->stack->generateImpliedEndTags();
+               $this->stack->popTag( 'caption' );
+               $this->afe->clearToMarker();
+               $this->switchMode( 'inTableMode' );
+               return true;
+       }
+
+       private function inCaptionMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       case 'tbody':
+                       case 'td':
+                       case 'tfoot':
+                       case 'th':
+                       case 'thead':
+                       case 'tr':
+                               if ( $this->endCaption() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       }
+                       // Fall through to "anything else" case.
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'caption':
+                               $this->endCaption();
+                               return true;
+                       case 'table':
+                               if ( $this->endCaption() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       case 'body':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <html>
+                       case 'tbody':
+                       case 'td':
+                       case 'tfoot':
+                       case 'th':
+                       case 'thead':
+                       case 'tr':
+                               // Ignore the token
+                               return true;
+                       }
+                       // Fall through to "anything else" case.
+               }
+               // The Anything Else case
+               return $this->inBodyMode( $token, $value, $attribs, $selfclose );
+       }
+
+       private function inColumnGroupMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       if ( preg_match( '/^[\x09\x0A\x0C\x0D\x20]+/', $value, $matches ) ) {
+                               $this->stack->insertText( $matches[0] );
+                               $value = substr( $value, strlen( $matches[0] ) );
+                       }
+                       if ( strlen( $value ) === 0 ) {
+                               return true; // All text handled.
+                       }
+                       // Fall through to handle non-whitespace below.
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       # OMITTED: <html>
+                       case 'col':
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->stack->pop();
+                               return true;
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+                       }
+                       // Fall through for "anything else".
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'colgroup':
+                               if ( !$this->stack->currentNode()->isA( 'colgroup' ) ) {
+                                       return true; // Ignore the token.
+                               }
+                               $this->stack->pop();
+                               $this->switchMode( 'inTableMode' );
+                               return true;
+                       case 'col':
+                               return true; // Ignore the token.
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+                       }
+                       // Fall through for "anything else".
+               } elseif ( $token === 'eof' ) {
+                       return $this->inBodyMode( $token, $value, $attribs, $selfclose );
+               }
+
+               // Anything else
+               if ( !$this->stack->currentNode()->isA( 'colgroup' ) ) {
+                       return true; // Ignore the token.
+               }
+               $this->inColumnGroupMode( 'endtag', 'colgroup' );
+               return $this->insertToken( $token, $value, $attribs, $selfclose );
+       }
+
+       // Helper function for inTableBodyMode
+       private function endSection() {
+               if ( !(
+                       $this->stack->inTableScope( 'tbody' ) ||
+                       $this->stack->inTableScope( 'thead' ) ||
+                       $this->stack->inTableScope( 'tfoot' )
+               ) ) {
+                       return false;
+               }
+               $this->stack->clearToContext( BalanceSets::$tableBodyContextSet );
+               $this->stack->pop();
+               $this->switchMode( 'inTableMode' );
+               return true;
+       }
+       private function inTableBodyMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'tr':
+                               $this->stack->clearToContext( BalanceSets::$tableBodyContextSet );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->switchMode( 'inRowMode' );
+                               return true;
+                       case 'th':
+                       case 'td':
+                               $this->inTableBodyMode( 'tag', 'tr', '' );
+                               $this->insertToken( $token, $value, $attribs, $selfclose );
+                               return true;
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                               if ( $this->endSection() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       }
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'table':
+                               if ( $this->endSection() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                               if ( $this->stack->inTableScope( $value ) ) {
+                                       $this->endSection();
+                               }
+                               return true;
+                       # OMITTED: <body>
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <html>
+                       case 'td':
+                       case 'th':
+                       case 'tr':
+                               return true; // Ignore the token.
+                       }
+               }
+               // Anything else:
+               return $this->inTableMode( $token, $value, $attribs, $selfclose );
+       }
+
+       // Helper function for inRowMode
+       private function endRow() {
+               if ( !$this->stack->inTableScope( 'tr' ) ) {
+                       return false;
+               }
+               $this->stack->clearToContext( BalanceSets::$tableRowContextSet );
+               $this->stack->pop();
+               $this->switchMode( 'inTableBodyMode' );
+               return true;
+       }
+       private function inRowMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'th':
+                       case 'td':
+                               $this->stack->clearToContext( BalanceSets::$tableRowContextSet );
+                               $this->stack->insertHTMLElement( $value, $attribs );
+                               $this->switchMode( 'inCellMode' );
+                               $this->afe->insertMarker();
+                               return true;
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                       case 'tr':
+                               if ( $this->endRow() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       }
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'tr':
+                               $this->endRow();
+                               return true;
+                       case 'table':
+                               if ( $this->endRow() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                               if (
+                                       $this->stack->inTableScope( $value ) &&
+                                       $this->endRow()
+                               ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       # OMITTED: <body>
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <html>
+                       case 'td':
+                       case 'th':
+                               return true; // Ignore the token.
+                       }
+               }
+               // Anything else:
+               return $this->inTableMode( $token, $value, $attribs, $selfclose );
+       }
+
+       // Helper for inCellMode
+       private function endCell() {
+               if ( $this->stack->inTableScope( 'td' ) ) {
+                       $this->inCellMode( 'endtag', 'td' );
+                       return true;
+               } elseif ( $this->stack->inTableScope( 'th' ) ) {
+                       $this->inCellMode( 'endtag', 'th' );
+                       return true;
+               } else {
+                       return false;
+               }
+       }
+       private function inCellMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       case 'tbody':
+                       case 'td':
+                       case 'tfoot':
+                       case 'th':
+                       case 'thead':
+                       case 'tr':
+                               if ( $this->endCell() ) {
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       }
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'td':
+                       case 'th':
+                               if ( $this->stack->inTableScope( $value ) ) {
+                                       $this->stack->generateImpliedEndTags();
+                                       $this->stack->popTag( $value );
+                                       $this->afe->clearToMarker();
+                                       $this->switchMode( 'inRowMode' );
+                               }
+                               return true;
+                       # OMITTED: <body>
+                       case 'caption':
+                       case 'col':
+                       case 'colgroup':
+                       # OMITTED: <html>
+                               return true;
+
+                       case 'table':
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                       case 'tr':
+                               if ( $this->stack->inTableScope( $value ) ) {
+                                       $this->stack->generateImpliedEndTags();
+                                       $this->stack->popTag( BalanceSets::$tableCellSet );
+                                       $this->afe->clearToMarker();
+                                       $this->switchMode( 'inRowMode' );
+                                       $this->insertToken( $token, $value, $attribs, $selfclose );
+                               }
+                               return true;
+                       }
+               }
+               // Anything else:
+               return $this->inBodyMode( $token, $value, $attribs, $selfclose );
+       }
+
+       # OMITTED: <select>
+       /*
+       private function inSelectMode( $token, $value, $attribs = null, $selfclose = false ) {
+               Assert::invariant( false, 'Unimplemented' );
+       }
+
+       private function inSelectInTableMode( $token, $value, $attribs = null, $selfclose = false ) {
+               Assert::invariant( false, 'Unimplemented' );
+       }
+       */
+
+       private function inTemplateMode( $token, $value, $attribs = null, $selfclose = false ) {
+               if ( $token === 'text' ) {
+                       return $this->inBodyMode( $token, $value, $attribs, $selfclose );
+               } elseif ( $token === 'eof' ) {
+                       if ( $this->stack->indexOf( 'template' ) < 0 ) {
+                               $this->stopParsing();
+                       } else {
+                               $this->stack->popTag( 'template' );
+                               $this->afe->clearToMarker();
+                               array_pop( $this->templateInsertionModes );
+                               $this->resetInsertionMode();
+                               $this->insertToken( $token, $value, $attribs, $selfclose );
+                       }
+                       return true;
+               } elseif ( $token === 'tag' ) {
+                       switch ( $value ) {
+                       case 'base':
+                       case 'basefont':
+                       case 'bgsound':
+                       case 'link':
+                       case 'meta':
+                       case 'noframes':
+                       # OMITTED: <script>
+                       case 'style':
+                       case 'template':
+                       # OMITTED: <title>
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+
+                       case 'caption':
+                       case 'colgroup':
+                       case 'tbody':
+                       case 'tfoot':
+                       case 'thead':
+                               return $this->switchModeAndReprocess(
+                                       'inTableMode', $token, $value, $attribs, $selfclose
+                               );
+
+                       case 'col':
+                               return $this->switchModeAndReprocess(
+                                       'inColumnGroupMode', $token, $value, $attribs, $selfclose
+                               );
+
+                       case 'tr':
+                               return $this->switchModeAndReprocess(
+                                       'inTableBodyMode', $token, $value, $attribs, $selfclose
+                               );
+
+                       case 'td':
+                       case 'th':
+                               return $this->switchModeAndReprocess(
+                                       'inRowMode', $token, $value, $attribs, $selfclose
+                               );
+                       }
+                       return $this->switchModeAndReprocess(
+                               'inBodyMode', $token, $value, $attribs, $selfclose
+                       );
+               } elseif ( $token === 'endtag' ) {
+                       switch ( $value ) {
+                       case 'template':
+                               return $this->inHeadMode( $token, $value, $attribs, $selfclose );
+                       }
+                       return true;
+               } else {
+                       Assert::invariant( false, "Bad token type: $token" );
+               }
+       }
+}

diff --git a/tests/phpunit/includes/tidy/BalancerTest.php b/tests/phpunit/includes/tidy/BalancerTest.php
new file mode 100644 (file)
index 0000000..078080c
--- /dev/null
+++ b/tests/phpunit/includes/tidy/BalancerTest.php
@@ -0,0 +1,145 @@
+<?php
+
+class BalancerTest extends MediaWikiTestCase {
+       private $balancer;
+
+       /**
+        * Anything that needs to happen before your tests should go here.
+        */
+       protected function setUp() {
+               // Be sure to do call the parent setup and teardown functions.
+               // This makes sure that all the various cleanup and restorations
+               // happen as they should (including the restoration for setMwGlobals).
+               parent::setUp();
+               $this->balancer = new MediaWiki\Tidy\Balancer( [
+                       'strict' => false, /* not strict */
+                       'allowedHtmlElements' => null, /* no sanitization */
+               ] );
+       }
+
+       /**
+        * Anything cleanup you need to do should go here.
+        */
+       protected function tearDown() {
+               parent::tearDown();
+       }
+
+       /**
+        * @covers Balancer::balance
+        * @dataProvider provideBalancerTests
+        */
+       public function testBalancer( $description, $input, $expected ) {
+               $output = $this->balancer->balance( $input );
+               $this->assertEquals( $expected, $output, $description );
+       }
+
+       public static function provideBalancerTests() {
+               // Get the tests from html5lib-tests.json
+               $json = json_decode( file_get_contents(
+                       __DIR__ . '/html5lib-tests.json'
+               ), true );
+               // Munge this slightly into the format phpunit expects
+               // for providers, and filter out HTML constructs which
+               // the balancer doesn't support.
+               $tests = [];
+               $start = '<html><head></head><body>';
+               $end = '</body></html>';
+               foreach ( $json as $filename => $cases ) {
+                       foreach ( $cases as $case ) {
+                               $html = $case['document']['html'];
+                               if (
+                                       substr( $html, 0, strlen( $start ) ) !== $start ||
+                                       substr( $html, -strlen( $end ) ) !== $end
+                               ) {
+                                       // Skip tests which involve stuff in the <head> or
+                                       // weird doctypes.
+                                       continue;
+                               }
+                               // We used to do this:
+                               //   $html = substr( $html, strlen( $start ), -strlen( $end ) );
+                               // But now we use a different field in the test case,
+                               // which reports how domino would parse this case in a
+                               // no-quirks <body> context.  (The original test case may
+                               // have had a different context, or relied on quirks mode.)
+                               $html = $case['document']['noQuirksBodyHtml'];
+                               // Normalize case of SVG attributes.
+                               $html = str_replace( 'foreignObject', 'foreignobject', $html );
+                               // The Sanitizer sorts attributes.
+                               $html = preg_replace( '/(size="[^"]+") (id="[^"]+")/', '$2 $1', $html );
+
+                               if ( isset( $case['document']['props']['comment'] ) ) {
+                                       // Skip tests which include HTML comments, which
+                                       // the balancer requires to have been stripped.
+                                       continue;
+                               }
+                               if ( strpos( $case['data'], '<![CDATA[' ) !== false ) {
+                                       // Skip tests involving <![CDATA[ ]]> quoting.
+                                       continue;
+                               }
+                               if ( stripos( $case['data'], '<!DOCTYPE' ) !== false ) {
+                                       // Skip tests involving doctypes.
+                                       continue;
+                               }
+                               if ( preg_match( ',</?(html|head|body|frame|plaintext)>|<rdar:,i', $case['data'] ) ) {
+                                       // Skip tests involving some literal tags, which are
+                                       // unsupported but don't show up in the expected output.
+                                       continue;
+                               }
+                               if (
+                                       isset( $case['document']['props']['tags']['form'] ) ||
+                                       isset( $case['document']['props']['tags']['iframe'] ) ||
+                                       isset( $case['document']['props']['tags']['noembed'] ) ||
+                                       isset( $case['document']['props']['tags']['noscript'] ) ||
+                                       isset( $case['document']['props']['tags']['script'] ) ||
+                                       isset( $case['document']['props']['tags']['select'] ) ||
+                                       isset( $case['document']['props']['tags']['svg script'] ) ||
+                                       isset( $case['document']['props']['tags']['svg title'] ) ||
+                                       isset( $case['document']['props']['tags']['textarea'] ) ||
+                                       isset( $case['document']['props']['tags']['title'] ) ||
+                                       isset( $case['document']['props']['tags']['xmp'] )
+                               ) {
+                                       // Skip tests with unsupported tags which *do* show
+                                       // up in the expected output.
+                                       continue;
+                               }
+                               if (
+                                       $filename === 'entities01.dat' ||
+                                       $filename === 'entities02.dat' ||
+                                       preg_match( '/&([a-z]+|#x[0-9A-F]+);/i', $case['data'] ) ||
+                                       preg_match( '/^(&|&#|&#X|&#x|&#45|&x-test|&AMP)$/', $case['data'] )
+                               ) {
+                                       // Skip tests involving entity encoding.
+                                       continue;
+                               }
+                               if (
+                                       isset( $case['document']['props']['tagWithLt'] ) ||
+                                       isset( $case['document']['props']['attrWithFunnyChar'] ) ||
+                                       preg_match( ':^(</b test|<di|<foo bar=qux/>)$:', $case['data'] ) ||
+                                       preg_match( ':</p<p>:', $case['data'] )
+                               ) {
+                                       // Skip tests with funny tag or attribute names,
+                                       // which are really tests of the HTML tokenizer, not
+                                       // the tree builder.
+                                       continue;
+                               }
+                               if (
+                                       stripos( $case['data'], 'encoding=" text/html "' ) !== false
+                               ) {
+                                       // The Sanitizer normalizes whitespace in attribute
+                                       // values, which makes this test case invalid.
+                                       continue;
+                               }
+                               if ( $filename === 'plain-text-unsafe.dat' ) {
+                                       // Skip tests with ASCII null, etc.
+                                       continue;
+                               }
+                               $tests[] = [
+                                       $filename, # use better description?
+                                       $case['data'],
+                                       $html
+                               ];
+                       }
+               }
+               return $tests;
+       }
+}

diff --git a/tests/phpunit/includes/tidy/html5lib-tests.json b/tests/phpunit/includes/tidy/html5lib-tests.json
new file mode 100644 (file)
index 0000000..beb3659
--- /dev/null
+++ b/tests/phpunit/includes/tidy/html5lib-tests.json
@@ -0,0 +1,78905 @@
+{
+  "adoption01.dat": [
+    {
+      "data": "<a><p></a></p>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,10): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a></a><p><a></a></p></body></html>",
+        "noQuirksBodyHtml": "<a></a><p><a></a></p>"
+      }
+    },
+    {
+      "data": "<a>1<p>2</a>3</p>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,12): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "text": "1"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "3"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a>1</a><p><a>2</a>3</p></body></html>",
+        "noQuirksBodyHtml": "<a>1</a><p><a>2</a>3</p>"
+      }
+    },
+    {
+      "data": "<a>1<button>2</a>3</button>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,17): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "button": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
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+            "div": true,
+            "a": true,
+            "b": true,
+            "u": true,
+            "i": true,
+            "code": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "tag": "u",
+                                "children": [
+                                  {
+                                    "tag": "i",
+                                    "children": [
+                                      {
+                                        "tag": "code"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "u",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "code",
+                                "children": [
+                                  {
+                                    "tag": "div",
+                                    "children": [
+                                      {
+                                        "tag": "a"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><a><b><u><i><code></code></i></u></b></a><u><i><code><div><a></a></div></code></i></u></div></body></html>",
+        "noQuirksBodyHtml": "<div><a><b><u><i><code></code></i></u></b></a><u><i><code><div><a></a></div></code></i></u></div>"
+      }
+    },
+    {
+      "data": "<b><b><b><b>x</b></b></b></b>y",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": "x"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "y"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><b><b><b>x</b></b></b></b>y</body></html>",
+        "noQuirksBodyHtml": "<b><b><b><b>x</b></b></b></b>y"
+      }
+    },
+    {
+      "data": "<p><b><b><b><b><p>x",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,18): unexpected-end-tag",
+        "(1,19): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "tag": "b"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": "x"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><b><b><b><b></b></b></b></b></p><p><b><b><b>x</b></b></b></p></body></html>",
+        "noQuirksBodyHtml": "<p><b><b><b><b></b></b></b></b></p><p><b><b><b>x</b></b></b></p>"
+      }
+    }
+  ],
+  "adoption02.dat": [
+    {
+      "data": "<b>1<i>2<p>3</b>4",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,16): adoption-agency-1.3",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "1"
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "text": "3"
+                              }
+                            ]
+                          },
+                          {
+                            "text": "4"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>1<i>2</i></b><i><p><b>3</b>4</p></i></body></html>",
+        "noQuirksBodyHtml": "<b>1<i>2</i></b><i><p><b>3</b>4</p></i>"
+      }
+    },
+    {
+      "data": "<a><div><style></style><address><a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,35): unexpected-start-tag-implies-end-tag",
+        "(1,35): adoption-agency-1.3",
+        "(1,35): adoption-agency-1.3",
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "div": true,
+            "style": true,
+            "address": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a"
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "tag": "style"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "address",
+                        "children": [
+                          {
+                            "tag": "a"
+                          },
+                          {
+                            "tag": "a"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a></a><div><a><style></style></a><address><a></a><a></a></address></div></body></html>",
+        "noQuirksBodyHtml": "<a></a><div><a><style></style></a><address><a></a><a></a></address></div>"
+      }
+    }
+  ],
+  "comments01.dat": [
+    {
+      "data": "FOO<!-- BAR -->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR "
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR -->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR -->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!-- BAR --!>BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,15): unexpected-bang-after-double-dash-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR "
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR -->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR -->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!-- BAR --   >BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,15): unexpected-char-in-comment",
+        "(1,21): eof-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR --   >BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR --   >BAZ--></body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR --   >BAZ-->"
+      }
+    },
+    {
+      "data": "FOO<!-- BAR -- <QUX> -- MUX -->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,15): unexpected-char-in-comment",
+        "(1,24): unexpected-char-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR -- <QUX> -- MUX "
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR -- <QUX> -- MUX -->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR -- <QUX> -- MUX -->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!-- BAR -- <QUX> -- MUX --!>BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,15): unexpected-char-in-comment",
+        "(1,24): unexpected-char-in-comment",
+        "(1,31): unexpected-bang-after-double-dash-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR -- <QUX> -- MUX "
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR -- <QUX> -- MUX -->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR -- <QUX> -- MUX -->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!-- BAR -- <QUX> -- MUX -- >BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,15): unexpected-char-in-comment",
+        "(1,24): unexpected-char-in-comment",
+        "(1,31): unexpected-char-in-comment",
+        "(1,35): eof-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": " BAR -- <QUX> -- MUX -- >BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!-- BAR -- <QUX> -- MUX -- >BAZ--></body></html>",
+        "noQuirksBodyHtml": "FOO<!-- BAR -- <QUX> -- MUX -- >BAZ-->"
+      }
+    },
+    {
+      "data": "FOO<!---->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": ""
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!---->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!---->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!--->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,9): incorrect-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": ""
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!---->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!---->BAZ"
+      }
+    },
+    {
+      "data": "FOO<!-->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,8): incorrect-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": ""
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!---->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!---->BAZ"
+      }
+    },
+    {
+      "data": "<?xml version=\"1.0\">Hi",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,22): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?xml version=\"1.0\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hi"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!--?xml version=\"1.0\"--><html><head></head><body>Hi</body></html>",
+        "noQuirksBodyHtml": "<!--?xml version=\"1.0\"-->Hi"
+      }
+    },
+    {
+      "data": "<?xml version=\"1.0\">",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,20): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?xml version=\"1.0\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?xml version=\"1.0\"--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?xml version=\"1.0\"-->"
+      }
+    },
+    {
+      "data": "<?xml version",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,13): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?xml version"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?xml version--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?xml version-->"
+      }
+    },
+    {
+      "data": "FOO<!----->BAZ",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,10): unexpected-dash-after-double-dash-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "comment": "-"
+                  },
+                  {
+                    "text": "BAZ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<!----->BAZ</body></html>",
+        "noQuirksBodyHtml": "FOO<!----->BAZ"
+      }
+    },
+    {
+      "data": "<html><!-- comment --><title>Comment before head</title>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "comment": " comment "
+              },
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "Comment before head"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><!-- comment --><head><title>Comment before head</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- comment --><title>Comment before head</title>"
+      }
+    }
+  ],
+  "doctype01.dat": [
+    {
+      "data": "<!DOCTYPE html>Hello",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!dOctYpE HtMl>Hello",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPEhtml>Hello",
+      "errors": [
+        "(1,9): need-space-after-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE>Hello",
+      "errors": [
+        "(1,9): need-space-after-doctype",
+        "(1,10): expected-doctype-name-but-got-right-bracket",
+        "(1,10): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": ""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE ><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE >Hello",
+      "errors": [
+        "(1,11): expected-doctype-name-but-got-right-bracket",
+        "(1,11): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": ""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE ><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato>Hello",
+      "errors": [
+        "(1,17): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato >Hello",
+      "errors": [
+        "(1,18): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato taco>Hello",
+      "errors": [
+        "(1,17): expected-space-or-right-bracket-in-doctype",
+        "(1,22): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato taco \"ddd>Hello",
+      "errors": [
+        "(1,17): expected-space-or-right-bracket-in-doctype",
+        "(1,27): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato sYstEM>Hello",
+      "errors": [
+        "(1,24): unexpected-char-in-doctype",
+        "(1,24): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato sYstEM    >Hello",
+      "errors": [
+        "(1,28): unexpected-char-in-doctype",
+        "(1,28): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE   potato       sYstEM  ggg>Hello",
+      "errors": [
+        "(1,34): unexpected-char-in-doctype",
+        "(1,37): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato SYSTEM taco  >Hello",
+      "errors": [
+        "(1,25): unexpected-char-in-doctype",
+        "(1,31): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato SYSTEM 'taco\"'>Hello",
+      "errors": [
+        "(1,32): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"\" \"taco\"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato SYSTEM \"taco\">Hello",
+      "errors": [
+        "(1,31): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"\" \"taco\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato SYSTEM \"tai'co\">Hello",
+      "errors": [
+        "(1,33): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"\" \"tai'co\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato SYSTEMtaco \"ddd\">Hello",
+      "errors": [
+        "(1,24): unexpected-char-in-doctype",
+        "(1,34): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato grass SYSTEM taco>Hello",
+      "errors": [
+        "(1,17): expected-space-or-right-bracket-in-doctype",
+        "(1,35): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato pUbLIc>Hello",
+      "errors": [
+        "(1,24): unexpected-end-of-doctype",
+        "(1,24): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato pUbLIc >Hello",
+      "errors": [
+        "(1,25): unexpected-end-of-doctype",
+        "(1,25): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato pUbLIcgoof>Hello",
+      "errors": [
+        "(1,24): unexpected-char-in-doctype",
+        "(1,28): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato PUBLIC goof>Hello",
+      "errors": [
+        "(1,25): unexpected-char-in-doctype",
+        "(1,29): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato PUBLIC \"go'of\">Hello",
+      "errors": [
+        "(1,32): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"go'of\" \"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato PUBLIC 'go'of'>Hello",
+      "errors": [
+        "(1,29): unexpected-char-in-doctype",
+        "(1,32): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"go\" \"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato PUBLIC 'go:hh   of' >Hello",
+      "errors": [
+        "(1,38): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"go:hh   of\" \"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE potato PUBLIC \"W3C-//dfdf\" SYSTEM ggg>Hello",
+      "errors": [
+        "(1,38): unexpected-char-in-doctype",
+        "(1,48): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "potato \"W3C-//dfdf\" \"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE potato><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\n   \"http://www.w3.org/TR/html4/strict.dtd\">Hello",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE ...>Hello",
+      "errors": [
+        "(1,14): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "..."
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Hello"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE ...><html><head></head><body>Hello</body></html>",
+        "noQuirksBodyHtml": "Hello"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">",
+      "errors": [
+        "(2,58): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\"\n\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">",
+      "errors": [
+        "(2,54): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD XHTML 1.0 Frameset//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] \"uri\" [ \n<!-- internal declarations -->\n]>",
+      "errors": [
+        "(1,23): expected-space-or-right-bracket-in-doctype",
+        "(2,30): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "root-element"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "]>",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE root-element><html><head></head><body>]&gt;</body></html>",
+        "noQuirksBodyHtml": "\n]&gt;"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html PUBLIC\n  \"-//WAPFORUM//DTD XHTML Mobile 1.0//EN\"\n    \"http://www.wapforum.org/DTD/xhtml-mobile10.dtd\">",
+      "errors": [
+        "(3,53): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//WAPFORUM//DTD XHTML Mobile 1.0//EN\" \"http://www.wapforum.org/DTD/xhtml-mobile10.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML SYSTEM \"http://www.w3.org/DTD/HTML4-strict.dtd\"><body><b>Mine!</b></body>",
+      "errors": [
+        "(1,63): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"\" \"http://www.w3.org/DTD/HTML4-strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "Mine!"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b>Mine!</b></body></html>",
+        "noQuirksBodyHtml": "<b>Mine!</b>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">",
+      "errors": [
+        "(1,50): unexpected-char-in-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"'http://www.w3.org/TR/html4/strict.dtd'>",
+      "errors": [
+        "(1,50): unexpected-char-in-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML PUBLIC\"-//W3C//DTD HTML 4.01//EN\"'http://www.w3.org/TR/html4/strict.dtd'>",
+      "errors": [
+        "(1,21): unexpected-char-in-doctype",
+        "(1,49): unexpected-char-in-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML PUBLIC'-//W3C//DTD HTML 4.01//EN''http://www.w3.org/TR/html4/strict.dtd'>",
+      "errors": [
+        "(1,21): unexpected-char-in-doctype",
+        "(1,49): unexpected-char-in-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    }
+  ],
+  "domjs-unsafe.dat": [
+    {
+      "data": "<svg><![CDATA[foo\nbar]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(2,6): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo\nbar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo\nbar</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo\nbar</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[foo\rbar]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(2,6): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo\nbar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo\nbar</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo\nbar</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[foo\r\nbar]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(2,6): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo\nbar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo\nbar</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo\nbar</svg>"
+      }
+    },
+    {
+      "data": "<script>a='\u0000'</script>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,12): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "a='�'",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script>a='�'</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script>a='�'</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--\u0000</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,25): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--�",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--�</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--�</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--foo\u0000</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,28): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--foo�",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--foo�</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--foo�</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo-\u0000</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,30): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo-�",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo-�</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo-�</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo--\u0000</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,31): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo--�",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo--�</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo--�</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo-",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,29): expected-script-data-but-got-eof",
+        "(1,29): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo-",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo-</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo-</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo-<</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo-<",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo-<</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo-<</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo-<S",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,31): expected-script-data-but-got-eof",
+        "(1,31): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo-<S",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo-<S</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo-<S</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!-- foo-</SCRIPT>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!-- foo-",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!-- foo-</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!-- foo-</script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<p></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<p>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<p></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<p></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script></script></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script></script>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script></script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script></script></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script>\u0000</script></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,33): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script>�</script>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script>�</script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script>�</script></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script>-\u0000</script></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,34): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script>-�</script>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script>-�</script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script>-�</script></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script>--\u0000</script></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag",
+        "(1,35): invalid-codepoint"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script>--�</script>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script>--�</script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script>--�</script></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script>---</script></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script>---</script>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script>---</script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script>---</script></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script></scrip></SCRIPT></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script></scrip></SCRIPT>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script></scrip></SCRIPT></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script></scrip></SCRIPT></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script></scrip </SCRIPT></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script></scrip </SCRIPT>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script></scrip </SCRIPT></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script></scrip </SCRIPT></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--<script></scrip/</SCRIPT></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--<script></scrip/</SCRIPT>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--<script></scrip/</SCRIPT></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--<script></scrip/</SCRIPT></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"></scrip/></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "</scrip/>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"></scrip/></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"></scrip/></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"></scrip ></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "</scrip >",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"></scrip ></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"></scrip ></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--</scrip></script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--</scrip>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--</scrip></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--</scrip></script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--</scrip </script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--</scrip ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--</scrip </script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--</scrip </script>"
+      }
+    },
+    {
+      "data": "<script type=\"data\"><!--</scrip/</script>",
+      "errors": [
+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "data"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "<!--</scrip/",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script type=\"data\"><!--</scrip/</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"data\"><!--</scrip/</script>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!DOCTYPE html>",
+      "errors": [
+        "(1,30): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><!DOCTYPE html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,21): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head><!DOCTYPE html></head>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,27): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head></head><!DOCTYPE html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,34): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body></body><!DOCTYPE html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,28): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<table><!DOCTYPE html></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,22): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table></table></body></html>",
+        "noQuirksBodyHtml": "<table></table>"
+      }
+    },
+    {
+      "data": "<select><!DOCTYPE html></select>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,23): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<table><colgroup><!DOCTYPE html></colgroup></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,32): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table><colgroup><!--test--></colgroup></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "comment": "test"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup><!--test--></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><!--test--></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table><colgroup><html></colgroup></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,23): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table><colgroup> foo</colgroup></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,32): foster-parenting-character-in-table",
+        "(1,32): foster-parenting-character-in-table",
+        "(1,32): foster-parenting-character-in-table",
+        "(1,32): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "foo"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "text": " "
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>foo<table><colgroup> </colgroup></table></body></html>",
+        "noQuirksBodyHtml": "foo<table><colgroup> </colgroup></table>"
+      }
+    },
+    {
+      "data": "<select><!--test--></select>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "comment": "test"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><!--test--></select></body></html>",
+        "noQuirksBodyHtml": "<select><!--test--></select>"
+      }
+    },
+    {
+      "data": "<select><html></select>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,14): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<frameset><html></frameset>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,16): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<frameset></frameset><html>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,27): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<frameset></frameset><!DOCTYPE html>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,36): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><body></body></html><!DOCTYPE html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,41): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<svg><!DOCTYPE html></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,20): unexpected-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<svg><font></font></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><font></font></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><font></font></svg>"
+      }
+    },
+    {
+      "data": "<svg><font id=foo></font></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "foo"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><font id=\"foo\"></font></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><font id=\"foo\"></font></svg>"
+      }
+    },
+    {
+      "data": "<svg><font size=4></font></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,18): unexpected-html-element-in-foreign-content",
+        "(1,31): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  },
+                  {
+                    "tag": "font",
+                    "attrs": [
+                      {
+                        "name": "size",
+                        "value": "4"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg><font size=\"4\"></font></body></html>",
+        "noQuirksBodyHtml": "<svg><font size=\"4\"></font></svg>"
+      }
+    },
+    {
+      "data": "<svg><font color=red></font></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): unexpected-html-element-in-foreign-content",
+        "(1,34): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  },
+                  {
+                    "tag": "font",
+                    "attrs": [
+                      {
+                        "name": "color",
+                        "value": "red"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg><font color=\"red\"></font></body></html>",
+        "noQuirksBodyHtml": "<svg><font color=\"red\"></font></svg>"
+      }
+    },
+    {
+      "data": "<svg><font font=sans></font></svg>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "attrs": [
+                          {
+                            "name": "font",
+                            "value": "sans"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><font font=\"sans\"></font></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><font font=\"sans\"></font></svg>"
+      }
+    }
+  ],
+  "entities01.dat": [
+    {
+      "data": "FOO&gt;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO>BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&gt;BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&gt;BAR"
+      }
+    },
+    {
+      "data": "FOO&gtBAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,6): named-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO>BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&gt;BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&gt;BAR"
+      }
+    },
+    {
+      "data": "FOO&gt BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,6): named-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO> BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&gt; BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&gt; BAR"
+      }
+    },
+    {
+      "data": "FOO&gt;;;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO>;;BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&gt;;;BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&gt;;;BAR"
+      }
+    },
+    {
+      "data": "I'm &notit; I tell you",
+      "errors": [
+        "(1,4): expected-doctype-but-got-chars",
+        "(1,9): named-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "I'm ¬it; I tell you"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>I'm ¬it; I tell you</body></html>",
+        "noQuirksBodyHtml": "I'm ¬it; I tell you"
+      }
+    },
+    {
+      "data": "I'm &notin; I tell you",
+      "errors": [
+        "(1,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "I'm ∉ I tell you"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>I'm ∉ I tell you</body></html>",
+        "noQuirksBodyHtml": "I'm ∉ I tell you"
+      }
+    },
+    {
+      "data": "FOO& BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO& BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp; BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&amp; BAR"
+      }
+    },
+    {
+      "data": "FOO&<BAR>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,9): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "bar": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&",
+                    "escaped": true
+                  },
+                  {
+                    "tag": "bar"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;<bar></bar></body></html>",
+        "noQuirksBodyHtml": "FOO&amp;<bar></bar>"
+      }
+    },
+    {
+      "data": "FOO&&&&gt;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&&&>BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;&amp;&amp;&gt;BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&amp;&amp;&amp;&gt;BAR"
+      }
+    },
+    {
+      "data": "FOO&#41;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO)BAR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO)BAR</body></html>",
+        "noQuirksBodyHtml": "FOO)BAR"
+      }
+    },
+    {
+      "data": "FOO&#x41;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOABAR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOABAR</body></html>",
+        "noQuirksBodyHtml": "FOOABAR"
+      }
+    },
+    {
+      "data": "FOO&#X41;BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOABAR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOABAR</body></html>",
+        "noQuirksBodyHtml": "FOOABAR"
+      }
+    },
+    {
+      "data": "FOO&#BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,5): expected-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&#BAR",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;#BAR</body></html>",
+        "noQuirksBodyHtml": "FOO&amp;#BAR"
+      }
+    },
+    {
+      "data": "FOO&#ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,5): expected-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&#ZOO",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;#ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO&amp;#ZOO"
+      }
+    },
+    {
+      "data": "FOO&#xBAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,7): expected-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOºR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOºR</body></html>",
+        "noQuirksBodyHtml": "FOOºR"
+      }
+    },
+    {
+      "data": "FOO&#xZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,6): expected-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&#xZOO",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;#xZOO</body></html>",
+        "noQuirksBodyHtml": "FOO&amp;#xZOO"
+      }
+    },
+    {
+      "data": "FOO&#XZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,6): expected-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO&#XZOO",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO&amp;#XZOO</body></html>",
+        "noQuirksBodyHtml": "FOO&amp;#XZOO"
+      }
+    },
+    {
+      "data": "FOO&#41BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,7): numeric-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO)BAR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO)BAR</body></html>",
+        "noQuirksBodyHtml": "FOO)BAR"
+      }
+    },
+    {
+      "data": "FOO&#x41BAR",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,10): numeric-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO䆺R"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO䆺R</body></html>",
+        "noQuirksBodyHtml": "FOO䆺R"
+      }
+    },
+    {
+      "data": "FOO&#x41ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,8): numeric-entity-without-semicolon"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOAZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOAZOO</body></html>",
+        "noQuirksBodyHtml": "FOOAZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0000;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO�ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO�ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO�ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0078;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOxZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOxZOO</body></html>",
+        "noQuirksBodyHtml": "FOOxZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0079;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOyZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOyZOO</body></html>",
+        "noQuirksBodyHtml": "FOOyZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0080;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO€ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO€ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO€ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0081;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO\81ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO\81ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO\81ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0082;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO‚ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO‚ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO‚ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0083;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOOƒZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOOƒZOO</body></html>",
+        "noQuirksBodyHtml": "FOOƒZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0084;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO„ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO„ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO„ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0085;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO…ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO…ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO…ZOO"
+      }
+    },
+    {
+      "data": "FOO&#x0086;ZOO",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars",
+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO†ZOO"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO†ZOO</body></html>",
+        "noQuirksBodyHtml": "FOO†ZOO"
+      }
+    },
+    {
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+            ]
+          }
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+        "html": "<html><head></head><body><div bar=\"ZZ&amp;gtaYY\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ&amp;gtaYY\"></div>"
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+    },
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+          }
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+        "html": "<html><head></head><body><div bar=\"ZZ&amp;gtZYY\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ&amp;gtZYY\"></div>"
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+    },
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+        "(1,20): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
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+                "tag": "body",
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+                    "tag": "div",
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+                        "name": "bar",
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+                  }
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+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div bar=\"ZZ> YY\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ> YY\"></div>"
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+    },
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+        "(1,17): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
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+        "html": "<html><head></head><body><div bar=\"ZZ>\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ>\"></div>"
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+    },
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+        "(1,17): expected-doctype-but-got-start-tag"
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+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+              }
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+          }
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+        "noQuirksBodyHtml": "<div bar=\"ZZ>\"></div>"
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+        "(1,15): expected-doctype-but-got-start-tag"
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+      "document": {
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+            "body": true,
+            "div": true
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+              }
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+          }
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+        "noQuirksBodyHtml": "<div bar=\"ZZ>\"></div>"
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+        "(1,26): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+              }
+            ]
+          }
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+        "noQuirksBodyHtml": "<div bar=\"ZZ£_id=23\"></div>"
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+    },
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+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+          "escaped": true
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+                "tag": "body",
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+                    "tag": "div",
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+                        "name": "bar",
+                        "value": "ZZ&prod_id=23",
+                        "escaped": true
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+              }
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+          }
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+        "html": "<html><head></head><body><div bar=\"ZZ&amp;prod_id=23\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ&amp;prod_id=23\"></div>"
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+      "document": {
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+            "head": true,
+            "body": true,
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+        "noQuirksBodyHtml": "<div bar=\"ZZ£_id=23\"></div>"
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+      "document": {
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+            "head": true,
+            "body": true,
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+        "(1,23): expected-doctype-but-got-start-tag"
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+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+        "html": "<html><head></head><body><div bar=\"ZZ&amp;pound=23\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ&amp;pound=23\"></div>"
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+    },
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+      "document": {
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+            "head": true,
+            "body": true,
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+          }
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+        "html": "<html><head></head><body><div bar=\"ZZ&amp;prod=23\"></div></body></html>",
+        "noQuirksBodyHtml": "<div bar=\"ZZ&amp;prod=23\"></div>"
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+            "body": true,
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+        "noQuirksBodyHtml": "<g>X</g>"
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+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "mtext",
+        "ns": "http://www.w3.org/1998/Math/MathML"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [
+        "5: HTML start tag “div” in a foreign namespace context."
+      ],
+      "fragment": {
+        "name": "annotation-xml",
+        "ns": "http://www.w3.org/1998/Math/MathML"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "math div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div",
+            "ns": "http://www.w3.org/1998/Math/MathML"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "annotation-xml",
+        "ns": "http://www.w3.org/1998/Math/MathML"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "math figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure",
+            "ns": "http://www.w3.org/1998/Math/MathML"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [
+        "5: HTML start tag “div” in a foreign namespace context."
+      ],
+      "fragment": {
+        "name": "math",
+        "ns": "http://www.w3.org/1998/Math/MathML"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "math div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div",
+            "ns": "http://www.w3.org/1998/Math/MathML"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "math",
+        "ns": "http://www.w3.org/1998/Math/MathML"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "math figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure",
+            "ns": "http://www.w3.org/1998/Math/MathML"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [],
+      "fragment": {
+        "name": "foreignObject",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "foreignObject",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [],
+      "fragment": {
+        "name": "title",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "title",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<div><h1>X</h1></div>",
+      "errors": [
+        "5: HTML start tag “div” in a foreign namespace context.",
+        "9: HTML start tag “h1” in a foreign namespace context."
+      ],
+      "fragment": {
+        "name": "svg",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "svg div": true,
+            "svg h1": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div",
+            "ns": "http://www.w3.org/2000/svg",
+            "children": [
+              {
+                "tag": "h1",
+                "ns": "http://www.w3.org/2000/svg",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<div><h1>X</h1></div>",
+        "noQuirksBodyHtml": "<div><h1>X</h1></div>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [
+        "5: HTML start tag “div” in a foreign namespace context."
+      ],
+      "fragment": {
+        "name": "svg",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "svg div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div",
+            "ns": "http://www.w3.org/2000/svg"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<figure></figure>",
+      "errors": [],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "figure": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "figure"
+          }
+        ],
+        "html": "<figure></figure>",
+        "noQuirksBodyHtml": "<figure></figure>"
+      }
+    },
+    {
+      "data": "<plaintext><foo>",
+      "errors": [
+        "16: End of file seen and there were open elements.",
+        "11: Unclosed element “plaintext”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "plaintext": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "plaintext",
+            "children": [
+              {
+                "text": "<foo>",
+                "no_escape": true
+              }
+            ]
+          }
+        ],
+        "html": "<plaintext><foo></plaintext>",
+        "noQuirksBodyHtml": "<plaintext><foo></plaintext>"
+      }
+    },
+    {
+      "data": "<frameset>X",
+      "errors": [
+        "6: Stray start tag “frameset”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<head>X",
+      "errors": [
+        "6: Stray start tag “head”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<body>X",
+      "errors": [
+        "6: Stray start tag “body”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<html>X",
+      "errors": [
+        "6: Stray start tag “html”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<html class=\"foo\">X",
+      "errors": [
+        "6: Stray start tag “html”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<body class=\"foo\">X",
+      "errors": [
+        "6: Stray start tag “body”."
+      ],
+      "fragment": {
+        "name": "desc",
+        "ns": "http://www.w3.org/2000/svg"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "X"
+          }
+        ],
+        "html": "X",
+        "noQuirksBodyHtml": "X"
+      }
+    }
+  ],
+  "html5test-com.dat": [
+    {
+      "data": "<div<div>",
+      "errors": [
+        "(1,9): expected-doctype-but-got-start-tag",
+        "(1,9): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div<div": true
+          },
+          "tagWithLt": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div<div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div<div></div<div></body></html>",
+        "noQuirksBodyHtml": "<div<div></div<div>"
+      }
+    },
+    {
+      "data": "<div foo<bar=''>",
+      "errors": [
+        "(1,9): invalid-character-in-attribute-name",
+        "(1,16): expected-doctype-but-got-start-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          },
+          "attrWithFunnyChar": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "attrs": [
+                      {
+                        "name": "foo<bar",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div foo<bar=\"\"></div></body></html>",
+        "noQuirksBodyHtml": "<div foo<bar=\"\"></div>"
+      }
+    },
+    {
+      "data": "<div foo=`bar`>",
+      "errors": [
+        "(1,10): equals-in-unquoted-attribute-value",
+        "(1,14): unexpected-character-in-unquoted-attribute-value",
+        "(1,15): expected-doctype-but-got-start-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "attrs": [
+                      {
+                        "name": "foo",
+                        "value": "`bar`"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div foo=\"`bar`\"></div></body></html>",
+        "noQuirksBodyHtml": "<div foo=\"`bar`\"></div>"
+      }
+    },
+    {
+      "data": "<div \\\"foo=''>",
+      "errors": [
+        "(1,7): invalid-character-in-attribute-name",
+        "(1,14): expected-doctype-but-got-start-tag",
+        "(1,14): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          },
+          "attrWithFunnyChar": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "attrs": [
+                      {
+                        "name": "\\\"foo",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div \\\"foo=\"\"></div></body></html>",
+        "noQuirksBodyHtml": "<div \\\"foo=\"\"></div>"
+      }
+    },
+    {
+      "data": "<a href='\\nbar'></a>",
+      "errors": [
+        "(1,16): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "\\nbar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a href=\"\\nbar\"></a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"\\nbar\"></a>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "&lang;&rang;",
+      "errors": [
+        "(1,6): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "⟨⟩"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>⟨⟩</body></html>",
+        "noQuirksBodyHtml": "⟨⟩"
+      }
+    },
+    {
+      "data": "&apos;",
+      "errors": [
+        "(1,6): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "'"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>'</body></html>",
+        "noQuirksBodyHtml": "'"
+      }
+    },
+    {
+      "data": "&ImaginaryI;",
+      "errors": [
+        "(1,12): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "ⅈ"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>ⅈ</body></html>",
+        "noQuirksBodyHtml": "ⅈ"
+      }
+    },
+    {
+      "data": "&Kopf;",
+      "errors": [
+        "(1,6): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "𝕂"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>𝕂</body></html>",
+        "noQuirksBodyHtml": "𝕂"
+      }
+    },
+    {
+      "data": "&notinva;",
+      "errors": [
+        "(1,9): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "∉"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>∉</body></html>",
+        "noQuirksBodyHtml": "∉"
+      }
+    },
+    {
+      "data": "<?import namespace=\"foo\" implementation=\"#bar\">",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,47): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
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+            "comment": "?import namespace=\"foo\" implementation=\"#bar\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?import namespace=\"foo\" implementation=\"#bar\"--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?import namespace=\"foo\" implementation=\"#bar\"-->"
+      }
+    },
+    {
+      "data": "<!--foo--bar-->",
+      "errors": [
+        "(1,10): unexpected-char-in-comment",
+        "(1,15): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
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+          "comment": true
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+            "comment": "foo--bar"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--foo--bar--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--foo--bar-->"
+      }
+    },
+    {
+      "data": "<![CDATA[x]]>",
+      "errors": [
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+        "(1,13): expected-doctype-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true
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+          "comment": true
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+            "comment": "[CDATA[x]]"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--[CDATA[x]]--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--[CDATA[x]]-->"
+      }
+    },
+    {
+      "data": "<textarea><!--</textarea>--></textarea>",
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+        "(1,39): unexpected-end-tag"
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+      "document": {
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+            "head": true,
+            "body": true,
+            "textarea": true
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+          "escaped": true
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+        "tree": [
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+            "tag": "html",
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+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "textarea",
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+                      {
+                        "text": "<!--",
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+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>&lt;!--</textarea>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;!--</textarea>--&gt;"
+      }
+    },
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "textarea": true
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+          "escaped": true
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "tag": "textarea",
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+                      {
+                        "text": "<!--",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>&lt;!--</textarea>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;!--</textarea>--&gt;"
+      }
+    },
+    {
+      "data": "<style><!--</style>--></style>",
+      "errors": [
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+        "(1,30): unexpected-end-tag"
+      ],
+      "document": {
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+            "head": true,
+            "style": true,
+            "body": true
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+          "no_escape": true,
+          "escaped": true
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+            "tag": "html",
+            "children": [
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+                "tag": "head",
+                "children": [
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+                    "tag": "style",
+                    "children": [
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+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style><!--</style></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<style><!--</style>--&gt;"
+      }
+    },
+    {
+      "data": "<style><!--</style>-->",
+      "errors": [
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+      ],
+      "document": {
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+            "head": true,
+            "style": true,
+            "body": true
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+          "no_escape": true,
+          "escaped": true
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+            "tag": "html",
+            "children": [
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+                "tag": "head",
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+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style><!--</style></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<style><!--</style>--&gt;"
+      }
+    },
+    {
+      "data": "<ul><li>A </li> <li>B</li></ul>",
+      "errors": [
+        "(1,4): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "ul": true,
+            "li": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ul",
+                    "children": [
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "text": "A "
+                          }
+                        ]
+                      },
+                      {
+                        "text": " "
+                      },
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "text": "B"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><ul><li>A </li> <li>B</li></ul></body></html>",
+        "noQuirksBodyHtml": "<ul><li>A </li> <li>B</li></ul>"
+      }
+    },
+    {
+      "data": "<table><form><input type=hidden><input></form><div></div></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,13): unexpected-form-in-table",
+        "(1,32): unexpected-hidden-input-in-table",
+        "(1,39): unexpected-start-tag-implies-table-voodoo",
+        "(1,46): unexpected-end-tag-implies-table-voodoo",
+        "(1,46): unexpected-end-tag",
+        "(1,51): unexpected-start-tag-implies-table-voodoo",
+        "(1,57): unexpected-end-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "input": true,
+            "div": true,
+            "table": true,
+            "form": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input"
+                  },
+                  {
+                    "tag": "div"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "form"
+                      },
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidden"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><input><div></div><table><form></form><input type=\"hidden\"></table></body></html>",
+        "noQuirksBodyHtml": "<input><div></div><table><form></form><input type=\"hidden\"></table>"
+      }
+    },
+    {
+      "data": "<i>A<b>B<p></i>C</b>D",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,15): adoption-agency-1.3",
+        "(1,20): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "i": true,
+            "b": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": "A"
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "B"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "i"
+                          },
+                          {
+                            "text": "C"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "D"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><i>A<b>B</b></i><b></b><p><b><i></i>C</b>D</p></body></html>",
+        "noQuirksBodyHtml": "<i>A<b>B</b></i><b></b><p><b><i></i>C</b>D</p>"
+      }
+    },
+    {
+      "data": "<div></div>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<svg></svg>",
+      "errors": [
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+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<math></math>",
+      "errors": [
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+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math></math></body></html>",
+        "noQuirksBodyHtml": "<math></math>"
+      }
+    }
+  ],
+  "inbody01.dat": [
+    {
+      "data": "<button>1</foo>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,15): unexpected-end-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "button": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "button",
+                    "children": [
+                      {
+                        "text": "1"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><button>1</button></body></html>",
+        "noQuirksBodyHtml": "<button>1</button>"
+      }
+    },
+    {
+      "data": "<foo>1<p>2</foo>",
+      "errors": [
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+        "(1,16): unexpected-end-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "foo": true,
+            "p": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "children": [
+                      {
+                        "text": "1"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo>1<p>2</p></foo></body></html>",
+        "noQuirksBodyHtml": "<foo>1<p>2</p></foo>"
+      }
+    },
+    {
+      "data": "<dd>1</foo>",
+      "errors": [
+        "(1,4): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dd": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dd",
+                    "children": [
+                      {
+                        "text": "1"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><dd>1</dd></body></html>",
+        "noQuirksBodyHtml": "<dd>1</dd>"
+      }
+    },
+    {
+      "data": "<foo>1<dd>2</foo>",
+      "errors": [
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+        "(1,17): unexpected-end-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "foo": true,
+            "dd": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "children": [
+                      {
+                        "text": "1"
+                      },
+                      {
+                        "tag": "dd",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo>1<dd>2</dd></foo></body></html>",
+        "noQuirksBodyHtml": "<foo>1<dd>2</dd></foo>"
+      }
+    }
+  ],
+  "isindex.dat": [
+    {
+      "data": "<isindex>",
+      "errors": [
+        "(1,9): expected-doctype-but-got-start-tag",
+        "(1,9): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "This is a searchable index. Enter search keywords: "
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<isindex name=\"A\" action=\"B\" prompt=\"C\" foo=\"D\">",
+      "errors": [
+        "(1,48): expected-doctype-but-got-start-tag",
+        "(1,48): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "attrs": [
+                      {
+                        "name": "action",
+                        "value": "B"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "C"
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "foo",
+                                "value": "D"
+                              },
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><form action=\"B\"><hr><label>C<input name=\"isindex\" foo=\"D\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form action=\"B\"><hr><label>C<input name=\"isindex\" foo=\"D\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<form><isindex>",
+      "errors": [
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+        "(1,15): deprecated-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "form": true
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+              }
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+          }
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+        "html": "<html><head></head><body><form></form></body></html>",
+        "noQuirksBodyHtml": "<form></form>"
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+    }
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+                      }
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+                  },
+                  {
+                    "tag": "main",
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+                      {
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+                      {
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+                        "children": [
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+                          }
+                        ]
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+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p>foo</p><main>bar<p>baz</p></main></body></html>",
+        "noQuirksBodyHtml": "<p>foo</p><main>bar<p>baz</p></main>"
+      }
+    },
+    {
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+            "body": true,
+            "main": true,
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+          "doctype": true
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+            "doctype": "html"
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+              {
+                "tag": "body",
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+                  {
+                    "tag": "main",
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
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+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "bar"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><main><p>foo</p></main>bar</body></html>",
+        "noQuirksBodyHtml": "<main><p>foo</p></main>bar"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>xxx<svg><x><g><a><main><b>",
+      "errors": [
+        " * (1,42) unexpected HTML-like start tag token in foreign content",
+        " * (1,42) unexpected end of file"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
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+          "doctype": true
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+            "doctype": "html"
+          },
+          {
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
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+                  {
+                    "text": "xxx"
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+                    "children": [
+                      {
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+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "g",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "a",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "main",
+                                    "ns": "http://www.w3.org/2000/svg"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>xxx<svg><x><g><a><main></main></a></g></x></svg><b></b></body></html>",
+        "noQuirksBodyHtml": "xxx<svg><x><g><a><main><b></b></main></a></g></x></svg>"
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+    }
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+                "tag": "tr",
+                "ns": "http://www.w3.org/1998/Math/MathML",
+                "children": [
+                  {
+                    "tag": "td",
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+                    "children": [
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+                        "tag": "mo",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<math><tr><td><mo></mo></td></tr></math>",
+        "noQuirksBodyHtml": "<math><tr><td><mo></mo></td></tr></math>"
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+    },
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+                        "tag": "mo",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<math><tr><td><mo></mo></td></tr></math>",
+        "noQuirksBodyHtml": "<math><tr><td><mo></mo></td></tr></math>"
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+    },
+    {
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+      "document": {
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+            "math thead": true,
+            "math mo": true
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+        },
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+                    "tag": "mo",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<math><thead><mo></mo></thead></math>",
+        "noQuirksBodyHtml": "<math><thead><mo></mo></thead></math>"
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+    {
+      "data": "<math><tfoot><mo><tbody>",
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+            "math tfoot": true,
+            "math mo": true
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+        },
+        "tree": [
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+            ]
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+        ],
+        "html": "<math><tfoot><mo></mo></tfoot></math>",
+        "noQuirksBodyHtml": "<math><tfoot><mo></mo></tfoot></math>"
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+            ]
+          }
+        ],
+        "html": "<math><tbody><mo></mo></tbody></math>",
+        "noQuirksBodyHtml": "<math><tbody><mo></mo></tbody></math>"
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+    },
+    {
+      "data": "<math><tbody><mo></table>",
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+              }
+            ]
+          }
+        ],
+        "html": "<math><tbody><mo></mo></tbody></math>",
+        "noQuirksBodyHtml": "<math><tbody><mo></mo></tbody></math>"
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+                "children": [
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+                    "tag": "mo",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<math><thead><mo></mo></thead></math>",
+        "noQuirksBodyHtml": "<math><thead><mo></mo></thead></math>"
+      }
+    },
+    {
+      "data": "<math><tfoot><mo></table>",
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+      "fragment": {
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+      },
+      "document": {
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+            "math math": true,
+            "math tfoot": true,
+            "math mo": true
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+            ]
+          }
+        ],
+        "html": "<math><tfoot><mo></mo></tfoot></math>",
+        "noQuirksBodyHtml": "<math><tfoot><mo></mo></tfoot></math>"
+      }
+    }
+  ],
+  "namespace-sensitivity.dat": [
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+      "data": "<body><table><tr><td><svg><td><foreignObject><span></td>Foo",
+      "errors": [],
+      "document": {
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+            "body": true,
+            "table": true,
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+            "tr": true,
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+            "svg td": true,
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+            "span": true
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                  },
+                  {
+                    "tag": "table",
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+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
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+                                    "children": [
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+                                        "tag": "td",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "tag": "foreignObject",
+                                            "ns": "http://www.w3.org/2000/svg",
+                                            "children": [
+                                              {
+                                                "tag": "span"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>Foo<table><tbody><tr><td><svg><td><foreignObject><span></span></foreignObject></td></svg></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "Foo<table><tbody><tr><td><svg><td><foreignObject><span></span></foreignObject></td></svg></td></tr></tbody></table>"
+      }
+    }
+  ],
+  "pending-spec-changes-plain-text-unsafe.dat": [
+    {
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+        "(1,14): invalid-codepoint",
+        "(1,14): invalid-codepoint-in-table-text",
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+        "(1,21): invalid-codepoint-in-table-text",
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+        "(1,26): invalid-codepoint-in-table-text",
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+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): foster-parenting-character-in-table",
+        "(1,26): eof-in-table"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
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+                    "text": "fillertext"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>fillertext<table></table></body></html>",
+        "noQuirksBodyHtml": "fillertext<table></table>"
+      }
+    }
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+        "(1,31): unexpected-start-tag",
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+      "document": {
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+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<input type=\"hidden\">"
+      }
+    },
+    {
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+        "(1,47): end-table-tag-in-caption"
+      ],
+      "document": {
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+                        "tag": "caption",
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+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "text": "foo"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "bar"
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+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><svg>foo</svg></caption></table>bar</body></html>",
+        "noQuirksBodyHtml": "<table><caption><svg>foo</svg></caption></table>bar"
+      }
+    },
+    {
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+        "(1,37): unexpected-end-tag",
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+                                    "children": [
+                                      {
+                                        "tag": "desc",
+                                        "ns": "http://www.w3.org/2000/svg"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
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+                            ]
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+                      }
+                    ]
+                  }
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+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><svg><desc></desc></svg></td><td><circle></circle></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><desc></desc></svg></td><td><circle></circle></td></tr></tbody></table>"
+      }
+    }
+  ],
+  "plain-text-unsafe.dat": [
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+        "(1,11): illegal-codepoint-for-numeric-entity"
+      ],
+      "document": {
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+            "head": true,
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+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO\rZOO"
+                  }
+                ]
+              }
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+        "noQuirksBodyHtml": "FOO<script></script>BAR"
+      }
+    },
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+      "document": {
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+                  {
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+        "noQuirksBodyHtml": "FOO<script></script>BAR"
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+                ]
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+            ]
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+                ]
+              }
+            ]
+          }
+        ],
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+        "noQuirksBodyHtml": "FOO<script>'<!-'</script>BAR"
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+                    "text": "BAR"
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+                ]
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+            ]
+          }
+        ],
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+                ]
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+            ]
+          }
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+        "noQuirksBodyHtml": "FOO<script>'<!-->'</script>BAR"
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+                  {
+                    "text": "BAR"
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+                ]
+              }
+            ]
+          }
+        ],
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+        "noQuirksBodyHtml": "FOO<script>'<!-- potato'</script>BAR"
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+                        "no_escape": true
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+                  {
+                    "text": "BAR"
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+                ]
+              }
+            ]
+          }
+        ],
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+        "noQuirksBodyHtml": "FOO<script>'<!-- <sCrIpt'</script>BAR"
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+    },
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+                    "text": "FOO"
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+                  {
+                    "text": "BAR"
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+                ]
+              }
+            ]
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+        "noQuirksBodyHtml": "FOO<script>'<!-- <sCrIpt> -->'</script>BAR"
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+    },
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+                  {
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+                      }
+                    ]
+                  }
+                ]
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+        ],
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+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt> --!>'</script>BAR</script>"
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+    },
+    {
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+                "tag": "body",
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+                ]
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+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt> -- >'</script>BAR</script>"
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+        "(1,56): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "script": true
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+          "no_escape": true
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "text/plain"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "'<!-- <sCrIpt '</script>BAR",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<script type=\"text/plain\">'<!-- <sCrIpt '</script>BAR</script></body></html>",
+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt '</script>BAR</script>"
+      }
+    },
+    {
+      "data": "FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR",
+      "errors": [
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+        "(1,56): expected-script-data-but-got-eof",
+        "(1,56): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
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+          "no_escape": true
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+              {
+                "tag": "body",
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+                  },
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "text/plain"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "'<!-- <sCrIpt/'</script>BAR",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR</script></body></html>",
+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR</script>"
+      }
+    },
+    {
+      "data": "FOO<script type=\"text/plain\">'<!-- <sCrIpt\\'</script>BAR",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "script": true
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+          "no_escape": true
+        },
+        "tree": [
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "text/plain"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "'<!-- <sCrIpt\\'",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "BAR"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<script type=\"text/plain\">'<!-- <sCrIpt\\'</script>BAR</body></html>",
+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt\\'</script>BAR"
+      }
+    },
+    {
+      "data": "FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR</script>QUX",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "script": true
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+        "tree": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "text/plain"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "'<!-- <sCrIpt/'</script>BAR",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "QUX"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR</script>QUX</body></html>",
+        "noQuirksBodyHtml": "FOO<script type=\"text/plain\">'<!-- <sCrIpt/'</script>BAR</script>QUX"
+      }
+    },
+    {
+      "data": "FOO<script><!--<script>-></script>--></script>QUX",
+      "errors": [
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "script": true
+          },
+          "no_escape": true
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "FOO"
+                  },
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "<!--<script>-></script>-->",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "QUX"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>FOO<script><!--<script>-></script>--></script>QUX</body></html>",
+        "noQuirksBodyHtml": "FOO<script><!--<script>-></script>--></script>QUX"
+      }
+    }
+  ],
+  "tables01.dat": [
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+      "data": "<table><th>",
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+        "(1,11): unexpected-cell-in-table-body",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "th": true
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+        },
+        "tree": [
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+              {
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+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "th"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><th></th></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><th></th></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td>",
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+        "(1,11): unexpected-cell-in-table-body",
+        "(1,11): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
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+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
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+        },
+        "tree": [
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><col foo='bar'>",
+      "errors": [
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+        "(1,22): eof-in-table"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true,
+            "col": true
+          }
+        },
+        "tree": [
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col",
+                            "attrs": [
+                              {
+                                "name": "foo",
+                                "value": "bar"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup><col foo=\"bar\"></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><col foo=\"bar\"></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table><colgroup></html>foo",
+      "errors": [
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+        "(1,24): unexpected-end-tag",
+        "(1,27): foster-parenting-character-in-table",
+        "(1,27): foster-parenting-character-in-table",
+        "(1,27): foster-parenting-character-in-table",
+        "(1,27): eof-in-table"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "foo"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>foo<table><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "foo<table><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table></table><p>foo",
+      "errors": [
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+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "p": true
+          }
+        },
+        "tree": [
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table></table><p>foo</p></body></html>",
+        "noQuirksBodyHtml": "<table></table><p>foo</p>"
+      }
+    },
+    {
+      "data": "<table></body></caption></col></colgroup></html></tbody></td></tfoot></th></thead></tr><td>",
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+        "(1,14): unexpected-end-tag",
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+        "(1,74): unexpected-end-tag",
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+        "(1,87): unexpected-end-tag",
+        "(1,91): unexpected-cell-in-table-body",
+        "(1,91): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
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+            "table": true,
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+            "tr": true,
+            "td": true
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+        },
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><select><option>3</select></table>",
+      "errors": [
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+        "(1,15): unexpected-start-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true,
+            "table": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option",
+                        "children": [
+                          {
+                            "text": "3"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option>3</option></select><table></table></body></html>",
+        "noQuirksBodyHtml": "<select><option>3</option></select><table></table>"
+      }
+    },
+    {
+      "data": "<table><select><table></table></select></table>",
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+        "(1,15): unexpected-start-tag-implies-table-voodoo",
+        "(1,22): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,22): unexpected-start-tag-implies-end-tag",
+        "(1,39): unexpected-end-tag",
+        "(1,47): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select></select><table></table><table></table></body></html>",
+        "noQuirksBodyHtml": "<select></select><table></table><table></table>"
+      }
+    },
+    {
+      "data": "<table><select></table>",
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+        "(1,15): unexpected-start-tag-implies-table-voodoo",
+        "(1,23): unexpected-table-element-end-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select></select><table></table></body></html>",
+        "noQuirksBodyHtml": "<select></select><table></table>"
+      }
+    },
+    {
+      "data": "<table><select><option>A<tr><td>B</td></tr></table>",
+      "errors": [
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+        "(1,15): unexpected-start-tag-implies-table-voodoo",
+        "(1,28): unexpected-table-element-start-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "select": true,
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+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option",
+                        "children": [
+                          {
+                            "text": "A"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "B"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option>A</option></select><table><tbody><tr><td>B</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<select><option>A</option></select><table><tbody><tr><td>B</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td></body></caption></col></colgroup></html>foo",
+      "errors": [
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+        "(1,11): unexpected-cell-in-table-body",
+        "(1,18): unexpected-end-tag",
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+        "(1,34): unexpected-end-tag",
+        "(1,45): unexpected-end-tag",
+        "(1,52): unexpected-end-tag",
+        "(1,55): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>foo</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>foo</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td>A</table>B",
+      "errors": [
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+        "(1,11): unexpected-cell-in-table-body"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "A"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "B"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>A</td></tr></tbody></table>B</body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>A</td></tr></tbody></table>B"
+      }
+    },
+    {
+      "data": "<table><tr><caption>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "caption": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "caption"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr></tr></tbody><caption></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr></tr></tbody><caption></caption></table>"
+      }
+    },
+    {
+      "data": "<table><tr></body></caption></col></colgroup></html></td></th><td>foo",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,18): unexpected-end-tag-in-table-row",
+        "(1,28): unexpected-end-tag-in-table-row",
+        "(1,34): unexpected-end-tag-in-table-row",
+        "(1,45): unexpected-end-tag-in-table-row",
+        "(1,52): unexpected-end-tag-in-table-row",
+        "(1,57): unexpected-end-tag-in-table-row",
+        "(1,62): unexpected-end-tag-in-table-row",
+        "(1,69): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>foo</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>foo</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td><tr>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body",
+        "(1,15): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td><button><td>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body",
+        "(1,23): unexpected-cell-end-tag",
+        "(1,23): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "button": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "button"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><button></button></td><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><button></button></td><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><tr><td><svg><desc><td>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,30): unexpected-cell-end-tag",
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true,
+            "svg desc": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "desc",
+                                        "ns": "http://www.w3.org/2000/svg"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><svg><desc></desc></svg></td><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><desc></desc></svg></td><td></td></tr></tbody></table>"
+      }
+    }
+  ],
+  "template.dat": [
+    {
+      "data": "<body><template>Hello</template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "text": "Hello"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template>Hello</template></body></html>",
+        "noQuirksBodyHtml": "<template>Hello</template>"
+      }
+    },
+    {
+      "data": "<template>Hello</template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "text": "Hello"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template>Hello</template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template>Hello</template>"
+      }
+    },
+    {
+      "data": "<template></template><div></div>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template></template></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<template></template><div></div>"
+      }
+    },
+    {
+      "data": "<html><template>Hello</template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "text": "Hello"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template>Hello</template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template>Hello</template>"
+      }
+    },
+    {
+      "data": "<head><template><div></div></template></head>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "div": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><div></div></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><div></div></template>"
+      }
+    },
+    {
+      "data": "<div><template><div><span></template><b>",
+      "errors": [
+        " * (1,6) missing DOCTYPE",
+        " * (1,38) mismatched template end tag",
+        " * (1,41) unexpected end of file"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "template": true,
+            "span": true,
+            "b": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "div",
+                                "children": [
+                                  {
+                                    "tag": "span"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><template><div><span></span></div></template><b></b></div></body></html>",
+        "noQuirksBodyHtml": "<div><template><div><span></span></div></template><b></b></div>"
+      }
+    },
+    {
+      "data": "<div><template></div>Hello",
+      "errors": [
+        " * (1,6) missing DOCTYPE",
+        " * (1,22) unexpected token in template",
+        " * (1,27) unexpected end of file in template",
+        " * (1,27) unexpected end of file"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "text": "Hello"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><template>Hello</template></div></body></html>",
+        "noQuirksBodyHtml": "<div><template>Hello</template></div>"
+      }
+    },
+    {
+      "data": "<div></template></div>",
+      "errors": [
+        " * (1,6) missing DOCTYPE",
+        " * (1,17) unexpected template end tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<table><template></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template></template></table>"
+      }
+    },
+    {
+      "data": "<table><template></template></div>",
+      "errors": [
+        " * (1,8) missing DOCTYPE",
+        " * (1,35) unexpected token in table - foster parenting",
+        " * (1,35) unexpected end tag",
+        " * (1,35) unexpected end of file"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template></template></table>"
+      }
+    },
+    {
+      "data": "<table><div><template></template></div>",
+      "errors": [
+        " * (1,8) missing DOCTYPE",
+        " * (1,13) unexpected token in table - foster parenting",
+        " * (1,40) unexpected token in table - foster parenting",
+        " * (1,40) unexpected end of file"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "template": true,
+            "table": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><template></template></div><table></table></body></html>",
+        "noQuirksBodyHtml": "<div><template></template></div><table></table>"
+      }
+    },
+    {
+      "data": "<table><template></template><div></div>",
+      "errors": [
+        "no doctype",
+        "bad div in table",
+        "bad /div in table",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "table": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div><table><template></template></table></body></html>",
+        "noQuirksBodyHtml": "<div></div><table><template></template></table>"
+      }
+    },
+    {
+      "data": "<table>   <template></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "text": "   "
+                      },
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table>   <template></template></table></body></html>",
+        "noQuirksBodyHtml": "<table>   <template></template></table>"
+      }
+    },
+    {
+      "data": "<table><tbody><template></template></tbody>",
+      "errors": [
+        "no doctype",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><template></template></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><template></template></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><tbody><template></tbody></template>",
+      "errors": [
+        "no doctype",
+        "bad /tbody",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><template></template></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><template></template></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><tbody><template></template></tbody></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><template></template></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><template></template></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><thead><template></template></thead>",
+      "errors": [
+        "no doctype",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "thead": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "thead",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><thead><template></template></thead></table></body></html>",
+        "noQuirksBodyHtml": "<table><thead><template></template></thead></table>"
+      }
+    },
+    {
+      "data": "<table><tfoot><template></template></tfoot>",
+      "errors": [
+        "no doctype",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tfoot": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tfoot",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tfoot><template></template></tfoot></table></body></html>",
+        "noQuirksBodyHtml": "<table><tfoot><template></template></tfoot></table>"
+      }
+    },
+    {
+      "data": "<select><template></template></select>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><template></template></select></body></html>",
+        "noQuirksBodyHtml": "<select><template></template></select>"
+      }
+    },
+    {
+      "data": "<select><template><option></option></template></select>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "template": true,
+            "option": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "option"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><template><option></option></template></select></body></html>",
+        "noQuirksBodyHtml": "<select><template><option></option></template></select>"
+      }
+    },
+    {
+      "data": "<template><option></option></select><option></option></template>",
+      "errors": [
+        "no doctype",
+        "bad /select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "option": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "option"
+                          },
+                          {
+                            "tag": "option"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><option></option><option></option></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><option></option><option></option></template>"
+      }
+    },
+    {
+      "data": "<select><template></template><option></select>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "template": true,
+            "option": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "option"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><template></template><option></option></select></body></html>",
+        "noQuirksBodyHtml": "<select><template></template><option></option></select>"
+      }
+    },
+    {
+      "data": "<select><option><template></template></select>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option><template></template></option></select></body></html>",
+        "noQuirksBodyHtml": "<select><option><template></template></option></select>"
+      }
+    },
+    {
+      "data": "<select><template>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><template></template></select></body></html>",
+        "noQuirksBodyHtml": "<select><template></template></select>"
+      }
+    },
+    {
+      "data": "<select><option></option><template>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      },
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option></option><template></template></select></body></html>",
+        "noQuirksBodyHtml": "<select><option></option><template></template></select>"
+      }
+    },
+    {
+      "data": "<select><option></option><template><option>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      },
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "option"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option></option><template><option></option></template></select></body></html>",
+        "noQuirksBodyHtml": "<select><option></option><template><option></option></template></select>"
+      }
+    },
+    {
+      "data": "<table><thead><template><td></template></table>",
+      "errors": [
+        " * (1,8) missing DOCTYPE"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "thead": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "thead",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "td"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><thead><template><td></td></template></thead></table></body></html>",
+        "noQuirksBodyHtml": "<table><thead><template><td></td></template></thead></table>"
+      }
+    },
+    {
+      "data": "<table><template><thead></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "thead": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "thead"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><thead></thead></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><thead></thead></template></table>"
+      }
+    },
+    {
+      "data": "<body><table><template><td></tr><div></template></table>",
+      "errors": [
+        "no doctype",
+        "bad </tr>",
+        "missing </div>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "td": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "div"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><td><div></div></td></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><td><div></div></td></template></table>"
+      }
+    },
+    {
+      "data": "<table><template><thead></template></thead></table>",
+      "errors": [
+        "no doctype",
+        "bad /thead after /template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "thead": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "thead"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><thead></thead></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><thead></thead></template></table>"
+      }
+    },
+    {
+      "data": "<table><thead><template><tr></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "thead": true,
+            "template": true,
+            "tr": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "thead",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tr"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><thead><template><tr></tr></template></thead></table></body></html>",
+        "noQuirksBodyHtml": "<table><thead><template><tr></tr></template></thead></table>"
+      }
+    },
+    {
+      "data": "<table><template><tr></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "tr": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "tr"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><tr></tr></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><tr></tr></template></table>"
+      }
+    },
+    {
+      "data": "<table><tr><template><td>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "template",
+                                "children": [
+                                  {
+                                    "content": true,
+                                    "children": [
+                                      {
+                                        "tag": "td"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><template><td></td></template></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><template><td></td></template></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><template><tr><template><td></template></tr></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "template",
+                                    "children": [
+                                      {
+                                        "content": true,
+                                        "children": [
+                                          {
+                                            "tag": "td"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><tr><template><td></td></template></tr></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><tr><template><td></td></template></tr></template></table>"
+      }
+    },
+    {
+      "data": "<table><template><tr><template><td></td></template></tr></template></table>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "template",
+                                    "children": [
+                                      {
+                                        "content": true,
+                                        "children": [
+                                          {
+                                            "tag": "td"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><tr><template><td></td></template></tr></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><tr><template><td></td></template></tr></template></table>"
+      }
+    },
+    {
+      "data": "<table><template><td></template>",
+      "errors": [
+        "no doctype",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><template><td></td></template></table></body></html>",
+        "noQuirksBodyHtml": "<table><template><td></td></template></table>"
+      }
+    },
+    {
+      "data": "<body><template><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><template><tr></tr></template><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tr"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><template><tr></tr></template><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><template><tr></tr></template><td></td></template>"
+      }
+    },
+    {
+      "data": "<table><colgroup><template><col>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "col"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup><template><col></template></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><template><col></template></colgroup></table>"
+      }
+    },
+    {
+      "data": "<frameset><template><frame></frame></template></frameset>",
+      "errors": [
+        " * (1,11) missing DOCTYPE",
+        " * (1,21) unexpected start tag token",
+        " * (1,36) unexpected end tag token",
+        " * (1,47) unexpected end tag token"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "frame": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<template></template>"
+      }
+    },
+    {
+      "data": "<template><frame></frame></frameset><frame></frame></template>",
+      "errors": [
+        " * (1,11) missing DOCTYPE",
+        " * (1,18) unexpected start tag",
+        " * (1,26) unexpected end tag",
+        " * (1,37) unexpected end tag",
+        " * (1,44) unexpected start tag",
+        " * (1,52) unexpected end tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template></template>"
+      }
+    },
+    {
+      "data": "<template><div><frameset><span></span></div><span></span></template>",
+      "errors": [
+        "no doctype",
+        "bad frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "div": true,
+            "span": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "span"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "span"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><div><span></span></div><span></span></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><div><span></span></div><span></span></template>"
+      }
+    },
+    {
+      "data": "<body><template><div><frameset><span></span></div><span></span></template></body>",
+      "errors": [
+        "no doctype",
+        "bad frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "div": true,
+            "span": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "span"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "span"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><div><span></span></div><span></span></template></body></html>",
+        "noQuirksBodyHtml": "<template><div><span></span></div><span></span></template>"
+      }
+    },
+    {
+      "data": "<body><template><script>var i = 1;</script><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "script": true,
+            "td": true
+          },
+          "template": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "script",
+                            "children": [
+                              {
+                                "text": "var i = 1;",
+                                "no_escape": true
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><script>var i = 1;</script><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><script>var i = 1;</script><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr><div></div></tr></template>",
+      "errors": [
+        "no doctype",
+        "foster-parented div",
+        "foster-parented /div"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><div></div></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><div></div></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr></tr><td></td></template>",
+      "errors": [
+        "no doctype",
+        "unexpected <td>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><tr><td></td></tr></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><tr><td></td></tr></template>"
+      }
+    },
+    {
+      "data": "<body><template><td></td></tr><td></td></template>",
+      "errors": [
+        "no doctype",
+        "bad </tr>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><td></td><tbody><td></td></template>",
+      "errors": [
+        "no doctype",
+        "bad <tbody>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><td></td><caption></caption><td></td></template>",
+      "errors": [
+        " * (1,7) missing DOCTYPE",
+        " * (1,35) unexpected start tag in table row",
+        " * (1,45) unexpected end tag in table row"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><td></td><colgroup></caption><td></td></template>",
+      "errors": [
+        " * (1,7) missing DOCTYPE",
+        " * (1,36) unexpected start tag in table row",
+        " * (1,46) unexpected end tag in table row"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><td></td></table><td></td></template>",
+      "errors": [
+        "no doctype",
+        "bad </table>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><td></td><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><td></td><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr></tr><tbody><tr></tr></template>",
+      "errors": [
+        "no doctype",
+        "bad <tbody>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><tr></tr></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><tr></tr></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr></tr><caption><tr></tr></template>",
+      "errors": [
+        "no doctype",
+        "bad <caption>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><tr></tr></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><tr></tr></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr></tr></table><tr></tr></template>",
+      "errors": [
+        "no doctype",
+        "bad </table>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><tr></tr></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><tr></tr></template>"
+      }
+    },
+    {
+      "data": "<body><template><thead></thead><caption></caption><tbody></tbody></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "thead": true,
+            "caption": true,
+            "tbody": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "thead"
+                          },
+                          {
+                            "tag": "caption"
+                          },
+                          {
+                            "tag": "tbody"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><thead></thead><caption></caption><tbody></tbody></template></body></html>",
+        "noQuirksBodyHtml": "<template><thead></thead><caption></caption><tbody></tbody></template>"
+      }
+    },
+    {
+      "data": "<body><template><thead></thead></table><tbody></tbody></template></body>",
+      "errors": [
+        "no doctype",
+        "bad </table>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "thead": true,
+            "tbody": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "thead"
+                          },
+                          {
+                            "tag": "tbody"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><thead></thead><tbody></tbody></template></body></html>",
+        "noQuirksBodyHtml": "<template><thead></thead><tbody></tbody></template>"
+      }
+    },
+    {
+      "data": "<body><template><div><tr></tr></div></template>",
+      "errors": [
+        "no doctype",
+        "bad tr",
+        "bad /tr"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><div></div></template></body></html>",
+        "noQuirksBodyHtml": "<template><div></div></template>"
+      }
+    },
+    {
+      "data": "<body><template><em>Hello</em></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "em": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "em",
+                            "children": [
+                              {
+                                "text": "Hello"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><em>Hello</em></template></body></html>",
+        "noQuirksBodyHtml": "<template><em>Hello</em></template>"
+      }
+    },
+    {
+      "data": "<body><template><!--comment--></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true
+          },
+          "template": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "comment": "comment"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><!--comment--></template></body></html>",
+        "noQuirksBodyHtml": "<template><!--comment--></template>"
+      }
+    },
+    {
+      "data": "<body><template><style></style><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "style": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "style"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><style></style><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><style></style><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><meta><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "meta": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "meta"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><meta><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><meta><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><link><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "link": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "link"
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><link><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><link><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><template><template><tr></tr></template><td></td></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tr"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><template><tr></tr></template><td></td></template></body></html>",
+        "noQuirksBodyHtml": "<template><template><tr></tr></template><td></td></template>"
+      }
+    },
+    {
+      "data": "<body><table><colgroup><template><col></col></template></colgroup></table></body>",
+      "errors": [
+        "no doctype",
+        "bad /col"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "col"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup><template><col></template></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><template><col></template></colgroup></table>"
+      }
+    },
+    {
+      "data": "<body a=b><template><div></div><body c=d><div></div></body></template></body>",
+      "errors": [
+        "no doctype",
+        "bad <body>",
+        "bad </body>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "a",
+                    "value": "b"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div"
+                          },
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body a=\"b\"><template><div></div><div></div></template></body></html>",
+        "noQuirksBodyHtml": "<template><div></div><div></div></template>"
+      }
+    },
+    {
+      "data": "<html a=b><template><div><html b=c><span></template>",
+      "errors": [
+        "no doctype",
+        "bad <html>",
+        "missing end tags in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "div": true,
+            "span": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "a",
+                "value": "b"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "span"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html a=\"b\"><head><template><div><span></span></div></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><div><span></span></div></template>"
+      }
+    },
+    {
+      "data": "<html a=b><template><col></col><html b=c><col></col></template>",
+      "errors": [
+        "no doctype",
+        "bad /col",
+        "bad html",
+        "bad /col"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "col": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "a",
+                "value": "b"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          },
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html a=\"b\"><head><template><col><col></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><col><col></template>"
+      }
+    },
+    {
+      "data": "<html a=b><template><frame></frame><html b=c><frame></frame></template>",
+      "errors": [
+        "no doctype",
+        "bad frame",
+        "bad /frame",
+        "bad html",
+        "bad frame",
+        "bad /frame"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "a",
+                "value": "b"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html a=\"b\"><head><template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template></template>"
+      }
+    },
+    {
+      "data": "<body><template><tr></tr><template></template><td></td></template>",
+      "errors": [
+        "no doctype",
+        "unexpected <td>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><tr></tr><template></template><tr><td></td></tr></template></body></html>",
+        "noQuirksBodyHtml": "<template><tr></tr><template></template><tr><td></td></tr></template>"
+      }
+    },
+    {
+      "data": "<body><template><thead></thead><template><tr></tr></template><tr></tr><tfoot></tfoot></template>",
+      "errors": [
+        "no doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "thead": true,
+            "tr": true,
+            "tbody": true,
+            "tfoot": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "thead"
+                          },
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tr"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "tfoot"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><thead></thead><template><tr></tr></template><tbody><tr></tr></tbody><tfoot></tfoot></template></body></html>",
+        "noQuirksBodyHtml": "<template><thead></thead><template><tr></tr></template><tbody><tr></tr></tbody><tfoot></tfoot></template>"
+      }
+    },
+    {
+      "data": "<body><template><template><b><template></template></template>text</template>",
+      "errors": [
+        "no doctype",
+        "missing </b>"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "b": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "b",
+                                    "children": [
+                                      {
+                                        "tag": "template",
+                                        "children": [
+                                          {
+                                            "content": true
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "text": "text"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><template><b><template></template></b></template>text</template></body></html>",
+        "noQuirksBodyHtml": "<template><template><b><template></template></b></template>text</template>"
+      }
+    },
+    {
+      "data": "<body><template><col><colgroup>",
+      "errors": [
+        "no doctype",
+        "bad colgroup",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><col></colgroup>",
+      "errors": [
+        "no doctype",
+        "bogus /colgroup",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><col><colgroup></template></body>",
+      "errors": [
+        "no doctype",
+        "bad colgroup"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><col><div>",
+      "errors": [
+        " * (1,7) missing DOCTYPE",
+        " * (1,27) unexpected token",
+        " * (1,27) unexpected end of file in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><col></div>",
+      "errors": [
+        "no doctype",
+        "bad /div",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><col>Hello",
+      "errors": [
+        "no doctype",
+        "unexpected text",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "col": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><col></template></body></html>",
+        "noQuirksBodyHtml": "<template><col></template>"
+      }
+    },
+    {
+      "data": "<body><template><i><menu>Foo</i>",
+      "errors": [
+        "no doctype",
+        "mising /menu",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "i": true,
+            "menu": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "i"
+                          },
+                          {
+                            "tag": "menu",
+                            "children": [
+                              {
+                                "tag": "i",
+                                "children": [
+                                  {
+                                    "text": "Foo"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><i></i><menu><i>Foo</i></menu></template></body></html>",
+        "noQuirksBodyHtml": "<template><i></i><menu><i>Foo</i></menu></template>"
+      }
+    },
+    {
+      "data": "<body><template></div><div>Foo</div><template></template><tr></tr>",
+      "errors": [
+        "no doctype",
+        "bogus /div",
+        "bogus tr",
+        "bogus /tr",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true,
+            "div": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "text": "Foo"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template><div>Foo</div><template></template></template></body></html>",
+        "noQuirksBodyHtml": "<template><div>Foo</div><template></template></template>"
+      }
+    },
+    {
+      "data": "<body><div><template></div><tr><td>Foo</td></tr></template>",
+      "errors": [
+        " * (1,7) missing DOCTYPE",
+        " * (1,28) unexpected token in template",
+        " * (1,60) unexpected end of file"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "template": true,
+            "tr": true,
+            "td": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "text": "Foo"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><template><tr><td>Foo</td></tr></template></div></body></html>",
+        "noQuirksBodyHtml": "<div><template><tr><td>Foo</td></tr></template></div>"
+      }
+    },
+    {
+      "data": "<template></figcaption><sub><table></table>",
+      "errors": [
+        "no doctype",
+        "bad /figcaption",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "sub": true,
+            "table": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "sub",
+                            "children": [
+                              {
+                                "tag": "table"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><sub><table></table></sub></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><sub><table></table></sub></template>"
+      }
+    },
+    {
+      "data": "<template><template>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template></template></template>"
+      }
+    },
+    {
+      "data": "<template><div>",
+      "errors": [
+        "no doctype",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "div": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><div></div></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><div></div></template>"
+      }
+    },
+    {
+      "data": "<template><template><div>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "div": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "div"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><div></div></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><div></div></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><table>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "table": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "table"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><table></table></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><table></table></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><tbody>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "tbody": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tbody"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><tbody></tbody></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><tbody></tbody></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><tr>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "tr": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tr"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><tr></tr></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><tr></tr></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><td>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "td": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "td"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><td></td></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><td></td></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><caption>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "caption": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "caption"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><caption></caption></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><caption></caption></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><colgroup>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "colgroup": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "colgroup"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><colgroup></colgroup></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><colgroup></colgroup></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><col>",
+      "errors": [
+        "no doctype",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "col": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "col"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><col></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><col></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><tbody><select>",
+      "errors": [
+        " * (1,11) missing DOCTYPE",
+        " * (1,36) unexpected token in table - foster parenting",
+        " * (1,36) unexpected end of file in template",
+        " * (1,36) unexpected end of file in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "tbody": true,
+            "select": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "tbody"
+                                  },
+                                  {
+                                    "tag": "select"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><tbody></tbody><select></select></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><tbody></tbody><select></select></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><table>Foo",
+      "errors": [
+        "no doctype",
+        "foster-parenting text F",
+        "foster-parenting text o",
+        "foster-parenting text o",
+        "eof",
+        "eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "table": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "text": "Foo"
+                                  },
+                                  {
+                                    "tag": "table"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template>Foo<table></table></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template>Foo<table></table></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><frame>",
+      "errors": [
+        "no doctype",
+        "bad tag",
+        "eof",
+        "eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><script>var i",
+      "errors": [
+        "no doctype",
+        "eof in script",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "script": true,
+            "body": true
+          },
+          "template": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "script",
+                                    "children": [
+                                      {
+                                        "text": "var i",
+                                        "no_escape": true
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><script>var i</script></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><script>var i</script></template></template>"
+      }
+    },
+    {
+      "data": "<template><template><style>var i",
+      "errors": [
+        "no doctype",
+        "eof in style",
+        "eof in template",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "style": true,
+            "body": true
+          },
+          "template": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "style",
+                                    "children": [
+                                      {
+                                        "text": "var i",
+                                        "no_escape": true
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><template><style>var i</style></template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><template><style>var i</style></template></template>"
+      }
+    },
+    {
+      "data": "<template><table></template><body><span>Foo",
+      "errors": [
+        "no doctype",
+        "missing /table",
+        "bad eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "table": true,
+            "body": true,
+            "span": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "table"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "span",
+                    "children": [
+                      {
+                        "text": "Foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><table></table></template></head><body><span>Foo</span></body></html>",
+        "noQuirksBodyHtml": "<template><table></table></template><span>Foo</span>"
+      }
+    },
+    {
+      "data": "<template><td></template><body><span>Foo",
+      "errors": [
+        "no doctype",
+        "bad eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "td": true,
+            "body": true,
+            "span": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "td"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "span",
+                    "children": [
+                      {
+                        "text": "Foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><td></td></template></head><body><span>Foo</span></body></html>",
+        "noQuirksBodyHtml": "<template><td></td></template><span>Foo</span>"
+      }
+    },
+    {
+      "data": "<template><object></template><body><span>Foo",
+      "errors": [
+        "no doctype",
+        "missing /object",
+        "bad eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "object": true,
+            "body": true,
+            "span": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "object"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "span",
+                    "children": [
+                      {
+                        "text": "Foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><object></object></template></head><body><span>Foo</span></body></html>",
+        "noQuirksBodyHtml": "<template><object></object></template><span>Foo</span>"
+      }
+    },
+    {
+      "data": "<template><svg><template>",
+      "errors": [
+        "no doctype",
+        "eof in template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "svg svg": true,
+            "svg template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "template",
+                                "ns": "http://www.w3.org/2000/svg"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><svg><template></template></svg></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><svg><template></template></svg></template>"
+      }
+    },
+    {
+      "data": "<template><svg><foo><template><foreignObject><div></template><div>",
+      "errors": [
+        "no doctype",
+        "ugly template closure",
+        "bad eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "svg svg": true,
+            "svg foo": true,
+            "svg template": true,
+            "svg foreignObject": true,
+            "div": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foo",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "template",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "foreignObject",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "tag": "div"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><svg><foo><template><foreignObject><div></div></foreignObject></template></foo></svg></template></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<template><svg><foo><template><foreignObject><div></div></foreignObject></template></foo></svg></template><div></div>"
+      }
+    },
+    {
+      "data": "<dummy><template><span></dummy>",
+      "errors": [
+        "no doctype",
+        "bad end tag </dummy>",
+        "eof in template",
+        "eof in dummy"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dummy": true,
+            "template": true,
+            "span": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dummy",
+                    "children": [
+                      {
+                        "tag": "template",
+                        "children": [
+                          {
+                            "content": true,
+                            "children": [
+                              {
+                                "tag": "span"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><dummy><template><span></span></template></dummy></body></html>",
+        "noQuirksBodyHtml": "<dummy><template><span></span></template></dummy>"
+      }
+    },
+    {
+      "data": "<body><table><tr><td><select><template>Foo</template><caption>A</table>",
+      "errors": [
+        "no doctype",
+        "(1,62): unexpected-caption-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "select": true,
+            "template": true,
+            "caption": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "select",
+                                    "children": [
+                                      {
+                                        "tag": "template",
+                                        "children": [
+                                          {
+                                            "content": true,
+                                            "children": [
+                                              {
+                                                "text": "Foo"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "text": "A"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><select><template>Foo</template></select></td></tr></tbody><caption>A</caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><select><template>Foo</template></select></td></tr></tbody><caption>A</caption></table>"
+      }
+    },
+    {
+      "data": "<body></body><template>",
+      "errors": [
+        "no doctype",
+        "(1,23): template-after-body",
+        "(1,24): eof-in-template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "template": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><template></template></body></html>",
+        "noQuirksBodyHtml": "<template></template>"
+      }
+    },
+    {
+      "data": "<head></head><template>",
+      "errors": [
+        "no doctype",
+        "(1,23): template-after-head",
+        "(1,24): eof-in-template"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template></template>"
+      }
+    },
+    {
+      "data": "<head></head><template>Foo</template>",
+      "errors": [
+        "no doctype",
+        "(1,23): template-after-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "text": "Foo"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template>Foo</template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template>Foo</template>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML><dummy><table><template><table><template><table><script>",
+      "errors": [
+        "eof script",
+        "eof template",
+        "eof template",
+        "eof table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dummy": true,
+            "table": true,
+            "template": true,
+            "script": true
+          },
+          "doctype": true,
+          "template": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dummy",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "template",
+                            "children": [
+                              {
+                                "content": true,
+                                "children": [
+                                  {
+                                    "tag": "table",
+                                    "children": [
+                                      {
+                                        "tag": "template",
+                                        "children": [
+                                          {
+                                            "content": true,
+                                            "children": [
+                                              {
+                                                "tag": "table",
+                                                "children": [
+                                                  {
+                                                    "tag": "script"
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><dummy><table><template><table><template><table><script></script></table></template></table></template></table></dummy></body></html>",
+        "noQuirksBodyHtml": "<dummy><table><template><table><template><table><script></script></table></template></table></template></table></dummy>"
+      }
+    },
+    {
+      "data": "<template><a><table><a>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "template": true,
+            "a": true,
+            "table": true,
+            "body": true
+          },
+          "template": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "template",
+                    "children": [
+                      {
+                        "content": true,
+                        "children": [
+                          {
+                            "tag": "a",
+                            "children": [
+                              {
+                                "tag": "a"
+                              },
+                              {
+                                "tag": "table"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><template><a><a></a><table></table></a></template></head><body></body></html>",
+        "noQuirksBodyHtml": "<template><a><a></a><table></table></a></template>"
+      }
+    }
+  ],
+  "tests1.dat": [
+    {
+      "data": "Test",
+      "errors": [
+        "(1,0): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Test"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>Test</body></html>",
+        "noQuirksBodyHtml": "Test"
+      }
+    },
+    {
+      "data": "<p>One<p>Two",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "One"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "Two"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p>One</p><p>Two</p></body></html>",
+        "noQuirksBodyHtml": "<p>One</p><p>Two</p>"
+      }
+    },
+    {
+      "data": "Line1<br>Line2<br>Line3<br>Line4",
+      "errors": [
+        "(1,0): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Line1"
+                  },
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "text": "Line2"
+                  },
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "text": "Line3"
+                  },
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "text": "Line4"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>Line1<br>Line2<br>Line3<br>Line4</body></html>",
+        "noQuirksBodyHtml": "Line1<br>Line2<br>Line3<br>Line4"
+      }
+    },
+    {
+      "data": "<html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<head>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head></head>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head></head><body>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head></head><body></body>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head><body></body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head></body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><head><body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<head></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</head>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</body>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-end-tag element."
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</html>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-end-tag element."
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<b><table><td><i></table>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,14): unexpected-cell-in-table-body",
+        "(1,25): unexpected-cell-end-tag",
+        "(1,25): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "i"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><table><tbody><tr><td><i></i></td></tr></tbody></table></b></body></html>",
+        "noQuirksBodyHtml": "<b><table><tbody><tr><td><i></i></td></tr></tbody></table></b>"
+      }
+    },
+    {
+      "data": "<b><table><td></b><i></table>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,14): unexpected-cell-in-table-body",
+        "(1,18): unexpected-end-tag",
+        "(1,29): unexpected-cell-end-tag",
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "i"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><table><tbody><tr><td><i></i></td></tr></tbody></table>X</b></body></html>",
+        "noQuirksBodyHtml": "<b><table><tbody><tr><td><i></i></td></tr></tbody></table>X</b>"
+      }
+    },
+    {
+      "data": "<h1>Hello<h2>World",
+      "errors": [
+        "(1,4): expected-doctype-but-got-start-tag",
+        "(1,13): unexpected-start-tag",
+        "(1,18): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "h1": true,
+            "h2": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "h1",
+                    "children": [
+                      {
+                        "text": "Hello"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "h2",
+                    "children": [
+                      {
+                        "text": "World"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><h1>Hello</h1><h2>World</h2></body></html>",
+        "noQuirksBodyHtml": "<h1>Hello</h1><h2>World</h2>"
+      }
+    },
+    {
+      "data": "<a><p>X<a>Y</a>Z</p></a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,10): unexpected-start-tag-implies-end-tag",
+        "(1,10): adoption-agency-1.3",
+        "(1,24): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "X"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "Y"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "Z"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a></a><p><a>X</a><a>Y</a>Z</p></body></html>",
+        "noQuirksBodyHtml": "<a></a><p><a>X</a><a>Y</a>Z</p>"
+      }
+    },
+    {
+      "data": "<b><button>foo</b>bar",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,18): adoption-agency-1.3",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "button": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "button",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "bar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b></b><button><b>foo</b>bar</button></body></html>",
+        "noQuirksBodyHtml": "<b></b><button><b>foo</b>bar</button>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><span><button>foo</span>bar",
+      "errors": [
+        "(1,39): unexpected-end-tag",
+        "(1,42): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "span": true,
+            "button": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "span",
+                    "children": [
+                      {
+                        "tag": "button",
+                        "children": [
+                          {
+                            "text": "foobar"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><span><button>foobar</button></span></body></html>",
+        "noQuirksBodyHtml": "<span><button>foobar</button></span>"
+      }
+    },
+    {
+      "data": "<p><b><div><marquee></p></b></div>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-end-tag",
+        "(1,24): unexpected-end-tag",
+        "(1,28): unexpected-end-tag",
+        "(1,34): end-tag-too-early",
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true,
+            "div": true,
+            "marquee": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "marquee",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "text": "X"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><b></b></p><div><b><marquee><p></p>X</marquee></b></div></body></html>",
+        "noQuirksBodyHtml": "<p><b></b></p><div><b><marquee><p></p>X</marquee></b></div>"
+      }
+    },
+    {
+      "data": "<script><div></script></div><title><p></title><p><p>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,28): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "title": true,
+            "body": true,
+            "p": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "<div>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<p>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script><div></script><title>&lt;p&gt;</title></head><body><p></p><p></p></body></html>",
+        "noQuirksBodyHtml": "<script><div></script><title>&lt;p&gt;</title><p></p><p></p>"
+      }
+    },
+    {
+      "data": "<!--><div>--<!-->",
+      "errors": [
+        "(1,5): incorrect-comment",
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,17): incorrect-comment",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": ""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "--"
+                      },
+                      {
+                        "comment": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!----><html><head></head><body><div>--<!----></div></body></html>",
+        "noQuirksBodyHtml": "<!----><div>--<!----></div>"
+      }
+    },
+    {
+      "data": "<p><hr></p>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "hr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "hr"
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p></p><hr><p></p></body></html>",
+        "noQuirksBodyHtml": "<p></p><hr><p></p>"
+      }
+    },
+    {
+      "data": "<select><b><option><select><option></b></select>X",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-start-tag-in-select",
+        "(1,27): unexpected-select-in-select",
+        "(1,39): unexpected-end-tag",
+        "(1,48): unexpected-end-tag",
+        "(1,49): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "option",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option></option></select><option>X</option></body></html>",
+        "noQuirksBodyHtml": "<select><option></option></select><option>X</option>"
+      }
+    },
+    {
+      "data": "<a><table><td><a><table></table><a></tr><a></table><b>X</b>C<a>Y",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,14): unexpected-cell-in-table-body",
+        "(1,35): unexpected-start-tag-implies-end-tag",
+        "(1,40): unexpected-cell-end-tag",
+        "(1,43): unexpected-start-tag-implies-table-voodoo",
+        "(1,43): unexpected-start-tag-implies-end-tag",
+        "(1,43): unexpected-end-tag",
+        "(1,63): unexpected-start-tag-implies-end-tag",
+        "(1,64): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "b": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "a"
+                      },
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "a",
+                                        "children": [
+                                          {
+                                            "tag": "table"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "a"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "X"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "C"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "text": "Y"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><a></a><table><tbody><tr><td><a><table></table></a><a></a></td></tr></tbody></table></a><a><b>X</b>C</a><a>Y</a></body></html>",
+        "noQuirksBodyHtml": "<a><a></a><table><tbody><tr><td><a><table></table></a><a></a></td></tr></tbody></table></a><a><b>X</b>C</a><a>Y</a>"
+      }
+    },
+    {
+      "data": "<a X>0<b>1<a Y>2",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,15): unexpected-start-tag-implies-end-tag",
+        "(1,15): adoption-agency-1.3",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "x",
+                        "value": ""
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "0"
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "attrs": [
+                          {
+                            "name": "y",
+                            "value": ""
+                          }
+                        ],
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a x=\"\">0<b>1</b></a><b><a y=\"\">2</a></b></body></html>",
+        "noQuirksBodyHtml": "<a x=\"\">0<b>1</b></a><b><a y=\"\">2</a></b>"
+      }
+    },
+    {
+      "data": "<!-----><font><div>hello<table>excite!<b>me!<th><i>please!</tr><!--X-->",
+      "errors": [
+        "(1,7): unexpected-dash-after-double-dash-in-comment",
+        "(1,14): expected-doctype-but-got-start-tag",
+        "(1,41): unexpected-start-tag-implies-table-voodoo",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): foster-parenting-character-in-table",
+        "(1,48): unexpected-cell-in-table-body",
+        "(1,63): unexpected-cell-end-tag",
+        "(1,71): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "font": true,
+            "div": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "th": true,
+            "i": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "-"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "text": "helloexcite!"
+                          },
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "text": "me!"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "table",
+                            "children": [
+                              {
+                                "tag": "tbody",
+                                "children": [
+                                  {
+                                    "tag": "tr",
+                                    "children": [
+                                      {
+                                        "tag": "th",
+                                        "children": [
+                                          {
+                                            "tag": "i",
+                                            "children": [
+                                              {
+                                                "text": "please!"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "comment": "X"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!-----><html><head></head><body><font><div>helloexcite!<b>me!</b><table><tbody><tr><th><i>please!</i></th></tr><!--X--></tbody></table></div></font></body></html>",
+        "noQuirksBodyHtml": "<!-----><font><div>helloexcite!<b>me!</b><table><tbody><tr><th><i>please!</i></th></tr><!--X--></tbody></table></div></font>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><li>hello<li>world<ul>how<li>do</ul>you</body><!--do-->",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "li": true,
+            "ul": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "li",
+                    "children": [
+                      {
+                        "text": "hello"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "li",
+                    "children": [
+                      {
+                        "text": "world"
+                      },
+                      {
+                        "tag": "ul",
+                        "children": [
+                          {
+                            "text": "how"
+                          },
+                          {
+                            "tag": "li",
+                            "children": [
+                              {
+                                "text": "do"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "you"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "comment": "do"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><li>hello</li><li>world<ul>how<li>do</li></ul>you</li></body><!--do--></html>",
+        "noQuirksBodyHtml": "<li>hello</li><li>world<ul>how<li>do</li></ul>you<!--do--></li>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>A<option>B<optgroup>C<select>D</option>E",
+      "errors": [
+        "(1,54): unexpected-end-tag-in-select",
+        "(1,55): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "option": true,
+            "optgroup": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A"
+                  },
+                  {
+                    "tag": "option",
+                    "children": [
+                      {
+                        "text": "B"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "optgroup",
+                    "children": [
+                      {
+                        "text": "C"
+                      },
+                      {
+                        "tag": "select",
+                        "children": [
+                          {
+                            "text": "DE"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>A<option>B</option><optgroup>C<select>DE</select></optgroup></body></html>",
+        "noQuirksBodyHtml": "A<option>B</option><optgroup>C<select>DE</select></optgroup>"
+      }
+    },
+    {
+      "data": "<",
+      "errors": [
+        "(1,1): expected-tag-name",
+        "(1,1): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "<",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&lt;</body></html>",
+        "noQuirksBodyHtml": "&lt;"
+      }
+    },
+    {
+      "data": "<#",
+      "errors": [
+        "(1,1): expected-tag-name",
+        "(1,1): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "<#",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&lt;#</body></html>",
+        "noQuirksBodyHtml": "&lt;#"
+      }
+    },
+    {
+      "data": "</",
+      "errors": [
+        "(1,2): expected-closing-tag-but-got-eof",
+        "(1,2): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "</",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&lt;/</body></html>",
+        "noQuirksBodyHtml": "&lt;/"
+      }
+    },
+    {
+      "data": "</#",
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+        "(1,3): expected-doctype-but-got-eof"
+      ],
+      "document": {
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+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
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+            "comment": "#"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--#--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--#-->"
+      }
+    },
+    {
+      "data": "<?",
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+        "(1,2): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?-->"
+      }
+    },
+    {
+      "data": "<?#",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,3): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?#"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?#--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?#-->"
+      }
+    },
+    {
+      "data": "<!",
+      "errors": [
+        "(1,2): expected-dashes-or-doctype",
+        "(1,2): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": ""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!----><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!---->"
+      }
+    },
+    {
+      "data": "<!#",
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+        "(1,2): expected-dashes-or-doctype",
+        "(1,3): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "#"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--#--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--#-->"
+      }
+    },
+    {
+      "data": "<?COMMENT?>",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,11): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?COMMENT?"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?COMMENT?--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?COMMENT?-->"
+      }
+    },
+    {
+      "data": "<!COMMENT>",
+      "errors": [
+        "(1,2): expected-dashes-or-doctype",
+        "(1,10): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "COMMENT"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--COMMENT--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--COMMENT-->"
+      }
+    },
+    {
+      "data": "</ COMMENT >",
+      "errors": [
+        "(1,2): expected-closing-tag-but-got-char",
+        "(1,12): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": " COMMENT "
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!-- COMMENT --><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- COMMENT -->"
+      }
+    },
+    {
+      "data": "<?COM--MENT?>",
+      "errors": [
+        "(1,1): expected-tag-name-but-got-question-mark",
+        "(1,13): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "?COM--MENT?"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--?COM--MENT?--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--?COM--MENT?-->"
+      }
+    },
+    {
+      "data": "<!COM--MENT>",
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+        "(1,12): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
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+            "comment": "COM--MENT"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!--COM--MENT--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--COM--MENT-->"
+      }
+    },
+    {
+      "data": "</ COM--MENT >",
+      "errors": [
+        "(1,2): expected-closing-tag-but-got-char",
+        "(1,14): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": " COM--MENT "
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!-- COM--MENT --><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- COM--MENT -->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><style> EOF",
+      "errors": [
+        "(1,26): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " EOF",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style> EOF</style></head><body></body></html>",
+        "noQuirksBodyHtml": "<style> EOF</style>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><script> <!-- </script> --> </script> EOF",
+      "errors": [
+        "(1,52): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": " <!-- ",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": " "
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->  EOF",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script> <!-- </script> </head><body>--&gt;  EOF</body></html>",
+        "noQuirksBodyHtml": "<script> <!-- </script> --&gt;  EOF"
+      }
+    },
+    {
+      "data": "<b><p></b>TEST",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,10): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "p": true
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+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b"
+                      },
+                      {
+                        "text": "TEST"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b></b><p><b></b>TEST</p></body></html>",
+        "noQuirksBodyHtml": "<b></b><p><b></b>TEST</p>"
+      }
+    },
+    {
+      "data": "<p id=a><b><p id=b></b>TEST",
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+        "(1,19): unexpected-end-tag",
+        "(1,23): adoption-agency-1.2"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true
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+        },
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+            "tag": "html",
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "attrs": [
+                      {
+                        "name": "id",
+                        "value": "a"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "attrs": [
+                      {
+                        "name": "id",
+                        "value": "b"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "TEST"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p id=\"a\"><b></b></p><p id=\"b\">TEST</p></body></html>",
+        "noQuirksBodyHtml": "<p id=\"a\"><b></b></p><p id=\"b\">TEST</p>"
+      }
+    },
+    {
+      "data": "<b id=a><p><b id=b></p></b>TEST",
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+        "(1,23): unexpected-end-tag",
+        "(1,27): adoption-agency-1.2",
+        "(1,31): expected-closing-tag-but-got-eof"
+      ],
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+                "tag": "head"
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+                "tag": "body",
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+                    "tag": "b",
+                    "attrs": [
+                      {
+                        "name": "id",
+                        "value": "a"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "b"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "TEST"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b id=\"a\"><p><b id=\"b\"></b></p>TEST</b></body></html>",
+        "noQuirksBodyHtml": "<b id=\"a\"><p><b id=\"b\"></b></p>TEST</b>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><title>U-test</title><body><div><p>Test<u></p></div></body>",
+      "errors": [
+        "(1,61): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true,
+            "div": true,
+            "p": true,
+            "u": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "U-test"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "text": "Test"
+                          },
+                          {
+                            "tag": "u"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>U-test</title></head><body><div><p>Test<u></u></p></div></body></html>",
+        "noQuirksBodyHtml": "<title>U-test</title><div><p>Test<u></u></p></div>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><font><table></font></table></font>",
+      "errors": [
+        "(1,35): unexpected-end-tag-implies-table-voodoo",
+        "(1,35): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "font": true,
+            "table": true
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+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font",
+                    "children": [
+                      {
+                        "tag": "table"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><font><table></table></font></body></html>",
+        "noQuirksBodyHtml": "<font><table></table></font>"
+      }
+    },
+    {
+      "data": "<font><p>hello<b>cruel</font>world",
+      "errors": [
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+        "(1,29): adoption-agency-1.3",
+        "(1,29): adoption-agency-1.3",
+        "(1,34): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "body": true,
+            "font": true,
+            "p": true,
+            "b": true
+          }
+        },
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "children": [
+                          {
+                            "text": "hello"
+                          },
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "text": "cruel"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "world"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><font></font><p><font>hello<b>cruel</b></font><b>world</b></p></body></html>",
+        "noQuirksBodyHtml": "<font></font><p><font>hello<b>cruel</b></font><b>world</b></p>"
+      }
+    },
+    {
+      "data": "<b>Test</i>Test",
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+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-end-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "b": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "TestTest"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>TestTest</b></body></html>",
+        "noQuirksBodyHtml": "<b>TestTest</b>"
+      }
+    },
+    {
+      "data": "<b>A<cite>B<div>C",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "b": true,
+            "cite": true,
+            "div": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "A"
+                      },
+                      {
+                        "tag": "cite",
+                        "children": [
+                          {
+                            "text": "B"
+                          },
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "text": "C"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>A<cite>B<div>C</div></cite></b></body></html>",
+        "noQuirksBodyHtml": "<b>A<cite>B<div>C</div></cite></b>"
+      }
+    },
+    {
+      "data": "<b>A<cite>B<div>C</cite>D",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,24): unexpected-end-tag",
+        "(1,25): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "b": true,
+            "cite": true,
+            "div": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "A"
+                      },
+                      {
+                        "tag": "cite",
+                        "children": [
+                          {
+                            "text": "B"
+                          },
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "text": "CD"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>A<cite>B<div>CD</div></cite></b></body></html>",
+        "noQuirksBodyHtml": "<b>A<cite>B<div>CD</div></cite></b>"
+      }
+    },
+    {
+      "data": "<b>A<cite>B<div>C</b>D",
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+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,21): adoption-agency-1.3",
+        "(1,22): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "b": true,
+            "cite": true,
+            "div": true
+          }
+        },
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "A"
+                      },
+                      {
+                        "tag": "cite",
+                        "children": [
+                          {
+                            "text": "B"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "C"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "D"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>A<cite>B</cite></b><div><b>C</b>D</div></body></html>",
+        "noQuirksBodyHtml": "<b>A<cite>B</cite></b><div><b>C</b>D</div>"
+      }
+    },
+    {
+      "data": "",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true
+          }
+        },
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<DIV>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,5): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,9): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+          "tags": {
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+            "head": true,
+            "body": true,
+            "div": true
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+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc</div></body></html>",
+        "noQuirksBodyHtml": "<div> abc</div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,13): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b></b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b></b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true
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+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def</b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def</b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i></i></b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i></i></b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,25): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+            "div": true,
+            "b": true,
+            "i": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi</i></b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi</i></b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,29): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "div": true,
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+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              },
+                              {
+                                "tag": "p"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi <p></p></i></b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi <p></p></i></b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              },
+                              {
+                                "tag": "p",
+                                "children": [
+                                  {
+                                    "text": " jkl"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi <p> jkl</p></i></b></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi <p> jkl</p></i></b></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i><p><b> jkl </b></p></i></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i><p><b> jkl </b></p></i></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B> mno",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,42): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " mno"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i><p><b> jkl </b> mno</p></i></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i><p><b> jkl </b> mno</p></i></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,47): adoption-agency-1.3",
+        "(1,47): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " mno "
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i></p></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i></p></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,47): adoption-agency-1.3",
+        "(1,51): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " mno "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " pqr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr</p></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr</p></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr </P>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,47): adoption-agency-1.3",
+        "(1,56): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " mno "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " pqr "
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr </p></div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr </p></div>"
+      }
+    },
+    {
+      "data": "<DIV> abc <B> def <I> ghi <P> jkl </B> mno </I> pqr </P> stu",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,38): adoption-agency-1.3",
+        "(1,47): adoption-agency-1.3",
+        "(1,60): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "b": true,
+            "i": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": " abc "
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": " def "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": " ghi "
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "b",
+                                "children": [
+                                  {
+                                    "text": " jkl "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " mno "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " pqr "
+                          }
+                        ]
+                      },
+                      {
+                        "text": " stu"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr </p> stu</div></body></html>",
+        "noQuirksBodyHtml": "<div> abc <b> def <i> ghi </i></b><i></i><p><i><b> jkl </b> mno </i> pqr </p> stu</div>"
+      }
+    },
+    {
+      "data": "<test attribute---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------->",
+      "errors": [
+        "(1,1040): expected-doctype-but-got-start-tag",
+        "(1,1040): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "test": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "test",
+                    "attrs": [
+                      {
+                        "name": "attribute----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><test attribute----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------=\"\"></test></body></html>",
+        "noQuirksBodyHtml": "<test attribute----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------=\"\"></test>"
+      }
+    },
+    {
+      "data": "<a href=\"blah\">aba<table><a href=\"foo\">br<tr><td></td></tr>x</table>aoe",
+      "errors": [
+        "(1,15): expected-doctype-but-got-start-tag",
+        "(1,39): unexpected-start-tag-implies-table-voodoo",
+        "(1,39): unexpected-start-tag-implies-end-tag",
+        "(1,39): unexpected-end-tag",
+        "(1,45): foster-parenting-character-in-table",
+        "(1,45): foster-parenting-character-in-table",
+        "(1,68): foster-parenting-character-in-table",
+        "(1,71): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "blah"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "aba"
+                      },
+                      {
+                        "tag": "a",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "value": "foo"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "text": "br"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "a",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "value": "foo"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "text": "x"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "foo"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "aoe"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a href=\"blah\">aba<a href=\"foo\">br</a><a href=\"foo\">x</a><table><tbody><tr><td></td></tr></tbody></table></a><a href=\"foo\">aoe</a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"blah\">aba<a href=\"foo\">br</a><a href=\"foo\">x</a><table><tbody><tr><td></td></tr></tbody></table></a><a href=\"foo\">aoe</a>"
+      }
+    },
+    {
+      "data": "<a href=\"blah\">aba<table><tr><td><a href=\"foo\">br</td></tr>x</table>aoe",
+      "errors": [
+        "(1,15): expected-doctype-but-got-start-tag",
+        "(1,54): unexpected-cell-end-tag",
+        "(1,68): unexpected text in table",
+        "(1,71): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "blah"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "abax"
+                      },
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "a",
+                                        "attrs": [
+                                          {
+                                            "name": "href",
+                                            "value": "foo"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "text": "br"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "aoe"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a href=\"blah\">abax<table><tbody><tr><td><a href=\"foo\">br</a></td></tr></tbody></table>aoe</a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"blah\">abax<table><tbody><tr><td><a href=\"foo\">br</a></td></tr></tbody></table>aoe</a>"
+      }
+    },
+    {
+      "data": "<table><a href=\"blah\">aba<tr><td><a href=\"foo\">br</td></tr>x</table>aoe",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,22): unexpected-start-tag-implies-table-voodoo",
+        "(1,29): foster-parenting-character-in-table",
+        "(1,29): foster-parenting-character-in-table",
+        "(1,29): foster-parenting-character-in-table",
+        "(1,54): unexpected-cell-end-tag",
+        "(1,68): foster-parenting-character-in-table",
+        "(1,71): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "blah"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "aba"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "blah"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "x"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "a",
+                                    "attrs": [
+                                      {
+                                        "name": "href",
+                                        "value": "foo"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "text": "br"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "blah"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "aoe"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a href=\"blah\">aba</a><a href=\"blah\">x</a><table><tbody><tr><td><a href=\"foo\">br</a></td></tr></tbody></table><a href=\"blah\">aoe</a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"blah\">aba</a><a href=\"blah\">x</a><table><tbody><tr><td><a href=\"foo\">br</a></td></tr></tbody></table><a href=\"blah\">aoe</a>"
+      }
+    },
+    {
+      "data": "<a href=a>aa<marquee>aa<a href=b>bb</marquee>aa",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,45): end-tag-too-early",
+        "(1,47): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "marquee": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "a"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "aa"
+                      },
+                      {
+                        "tag": "marquee",
+                        "children": [
+                          {
+                            "text": "aa"
+                          },
+                          {
+                            "tag": "a",
+                            "attrs": [
+                              {
+                                "name": "href",
+                                "value": "b"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "text": "bb"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "aa"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a href=\"a\">aa<marquee>aa<a href=\"b\">bb</a></marquee>aa</a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"a\">aa<marquee>aa<a href=\"b\">bb</a></marquee>aa</a>"
+      }
+    },
+    {
+      "data": "<wbr><strike><code></strike><code><strike></code>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,28): adoption-agency-1.3",
+        "(1,49): adoption-agency-1.3",
+        "(1,49): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "wbr": true,
+            "strike": true,
+            "code": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "wbr"
+                  },
+                  {
+                    "tag": "strike",
+                    "children": [
+                      {
+                        "tag": "code"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "code",
+                    "children": [
+                      {
+                        "tag": "code",
+                        "children": [
+                          {
+                            "tag": "strike"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><wbr><strike><code></code></strike><code><code><strike></strike></code></code></body></html>",
+        "noQuirksBodyHtml": "<wbr><strike><code></code></strike><code><code><strike></strike></code></code>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><spacer>foo",
+      "errors": [
+        "(1,26): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "spacer": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "spacer",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><spacer>foo</spacer></body></html>",
+        "noQuirksBodyHtml": "<spacer>foo</spacer>"
+      }
+    },
+    {
+      "data": "<title><meta></title><link><title><meta></title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "link": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<meta>",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "link"
+                  },
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<meta>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&lt;meta&gt;</title><link><title>&lt;meta&gt;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;meta&gt;</title><link><title>&lt;meta&gt;</title>"
+      }
+    },
+    {
+      "data": "<style><!--</style><meta><script>--><link></script>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "meta": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "--><link>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style><!--</style><meta><script>--><link></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<style><!--</style><meta><script>--><link></script>"
+      }
+    },
+    {
+      "data": "<head><meta></head><link>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,25): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "meta": true,
+            "link": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "link"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><meta><link></head><body></body></html>",
+        "noQuirksBodyHtml": "<meta><link>"
+      }
+    },
+    {
+      "data": "<table><tr><tr><td><td><span><th><span>X</table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,33): unexpected-cell-end-tag",
+        "(1,48): unexpected-cell-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "span": true,
+            "th": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              },
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "span"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "th",
+                                "children": [
+                                  {
+                                    "tag": "span",
+                                    "children": [
+                                      {
+                                        "text": "X"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr></tr><tr><td></td><td><span></span></td><th><span>X</span></th></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr></tr><tr><td></td><td><span></span></td><th><span>X</span></th></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<body><body><base><link><meta><title><p></title><body><p></body>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,12): unexpected-start-tag",
+        "(1,54): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "base": true,
+            "link": true,
+            "meta": true,
+            "title": true,
+            "p": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "base"
+                  },
+                  {
+                    "tag": "link"
+                  },
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<p>",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><base><link><meta><title>&lt;p&gt;</title><p></p></body></html>",
+        "noQuirksBodyHtml": "<base><link><meta><title>&lt;p&gt;</title><p></p>"
+      }
+    },
+    {
+      "data": "<textarea><p></textarea>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "<p>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>&lt;p&gt;</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;p&gt;</textarea>"
+      }
+    },
+    {
+      "data": "<p><image></p>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,10): unexpected-start-tag-treated-as"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "img": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "img"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><img></p></body></html>",
+        "noQuirksBodyHtml": "<p><img></p>"
+      }
+    },
+    {
+      "data": "<a><table><a></table><p><a><div><a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,13): unexpected-start-tag-implies-table-voodoo",
+        "(1,13): unexpected-start-tag-implies-end-tag",
+        "(1,13): adoption-agency-1.3",
+        "(1,27): unexpected-start-tag-implies-end-tag",
+        "(1,27): adoption-agency-1.2",
+        "(1,32): unexpected-end-tag",
+        "(1,35): unexpected-start-tag-implies-end-tag",
+        "(1,35): adoption-agency-1.2",
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "table": true,
+            "p": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "a"
+                      },
+                      {
+                        "tag": "table"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><a></a><table></table></a><p><a></a></p><div><a></a></div></body></html>",
+        "noQuirksBodyHtml": "<a><a></a><table></table></a><p><a></a></p><div><a></a></div>"
+      }
+    },
+    {
+      "data": "<head></p><meta><p>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,10): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "meta": true,
+            "body": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "meta"
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><meta></head><body><p></p></body></html>",
+        "noQuirksBodyHtml": "<p></p><meta><p></p>"
+      }
+    },
+    {
+      "data": "<head></html><meta><p>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,19): expected-eof-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "meta": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><meta><p></p></body></html>",
+        "noQuirksBodyHtml": "<meta><p></p>"
+      }
+    },
+    {
+      "data": "<b><table><td><i></table>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,14): unexpected-cell-in-table-body",
+        "(1,25): unexpected-cell-end-tag",
+        "(1,25): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "i"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><table><tbody><tr><td><i></i></td></tr></tbody></table></b></body></html>",
+        "noQuirksBodyHtml": "<b><table><tbody><tr><td><i></i></td></tr></tbody></table></b>"
+      }
+    },
+    {
+      "data": "<b><table><td></b><i></table>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,14): unexpected-cell-in-table-body",
+        "(1,18): unexpected-end-tag",
+        "(1,29): unexpected-cell-end-tag",
+        "(1,29): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "i"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><table><tbody><tr><td><i></i></td></tr></tbody></table></b></body></html>",
+        "noQuirksBodyHtml": "<b><table><tbody><tr><td><i></i></td></tr></tbody></table></b>"
+      }
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+      "data": "<h1><h2>",
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+        "(1,8): unexpected-start-tag",
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+        "noQuirksBodyHtml": "<h1></h1><h2></h2>"
+      }
+    },
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+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a></a><p><a></a><a></a></p></body></html>",
+        "noQuirksBodyHtml": "<a></a><p><a></a><a></a></p>"
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+                        "tag": "b"
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+                    ]
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b></b><button><b></b></button></body></html>",
+        "noQuirksBodyHtml": "<b></b><button><b></b></button>"
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+                        "tag": "b",
+                        "children": [
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+                            "tag": "marquee",
+                            "children": [
+                              {
+                                "tag": "p"
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+                            ]
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+                        ]
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+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><b></b></p><div><b><marquee><p></p></marquee></b></div></body></html>",
+        "noQuirksBodyHtml": "<p><b></b></p><div><b><marquee><p></p></marquee></b></div>"
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+            ]
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+        ],
+        "html": "<html><head><script></script><title></title></head><body><p></p><p></p></body></html>",
+        "noQuirksBodyHtml": "<script></script><title></title><p></p><p></p>"
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+                    "tag": "p"
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+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p></p><hr><p></p></body></html>",
+        "noQuirksBodyHtml": "<p></p><hr><p></p>"
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+    },
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+      "document": {
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+                "tag": "head"
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+                "tag": "body",
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+                  },
+                  {
+                    "tag": "option"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select><option></option></select><option></option></body></html>",
+        "noQuirksBodyHtml": "<select><option></option></select><option></option>"
+      }
+    },
+    {
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+            "body": true
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+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title"
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+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title></title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title></title>"
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+    },
+    {
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+                        "tag": "table",
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+                            "tag": "tbody",
+                            "children": [
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+                                "tag": "tr",
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+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "a",
+                                        "children": [
+                                          {
+                                            "tag": "table"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "a"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a"
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+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><a></a><table><tbody><tr><td><a><table></table></a><a></a></td></tr></tbody></table></a><a></a></body></html>",
+        "noQuirksBodyHtml": "<a><a></a><table><tbody><tr><td><a><table></table></a><a></a></td></tr></tbody></table></a><a></a>"
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+      "document": {
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+                        "children": [
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+                        "tag": "li",
+                        "children": [
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+                            "tag": "div"
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+                      },
+                      {
+                        "tag": "li",
+                        "children": [
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+                            "tag": "address"
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+                      },
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "tag": "em"
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+                      },
+                      {
+                        "tag": "li"
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+                    ]
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+                ]
+              }
+            ]
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+        ],
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+            "ul": true,
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+                        "tag": "li",
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+                            "tag": "ul",
+                            "children": [
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+                                "tag": "li",
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+                                    "text": "a"
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+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><ul><li><ul><li>a</li></ul></li></ul></body></html>",
+        "noQuirksBodyHtml": "<ul><li><ul><li>a</li></ul></li></ul>"
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+    },
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+      "data": "<frameset><frame><frameset><frame></frameset><noframes></noframes></frameset>",
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+      "document": {
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+            "frame": true,
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+                "tag": "head"
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+                  {
+                    "tag": "noframes"
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+        ],
+        "html": "<html><head></head><frameset><frame><frameset><frame></frameset><noframes></noframes></frameset></html>",
+        "noQuirksBodyHtml": "<noframes></noframes>"
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+    },
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+                        "tag": "table",
+                        "children": [
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+                            "tag": "tbody",
+                            "children": [
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+                                "tag": "tr",
+                                "children": [
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+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "tag": "h3"
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+                    ]
+                  },
+                  {
+                    "tag": "h3"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><h1><table><tbody><tr><td><h3></h3></td></tr></tbody></table></h1><h3></h3></body></html>",
+        "noQuirksBodyHtml": "<h1><table><tbody><tr><td><h3></h3></td></tr></tbody></table></h1><h3></h3>"
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+      "document": {
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+                        "tag": "colgroup",
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+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col"
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+                          {
+                            "tag": "col"
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+                          {
+                            "tag": "col"
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+                      },
+                      {
+                        "tag": "colgroup",
+                        "children": [
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+                            "tag": "col"
+                          },
+                          {
+                            "tag": "col"
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+                      },
+                      {
+                        "tag": "thead",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
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+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
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+        ],
+        "html": "<html><head></head><body><table><colgroup><col></colgroup><colgroup><col><col><col></colgroup><colgroup><col><col></colgroup><thead><tr><td></td></tr></thead></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><col></colgroup><colgroup><col><col><col></colgroup><colgroup><col><col></colgroup><thead><tr><td></td></tr></thead></table>"
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+      "data": "<table><col><tbody><col><tr><col><td><col></table><col>",
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+        "(1,37): unexpected-cell-in-table-body",
+        "(1,55): unexpected-start-tag-ignored"
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+      "document": {
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+            "table": true,
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+            "tr": true,
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+                "tag": "head"
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+                "tag": "body",
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+                    "tag": "table",
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+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col"
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+                      },
+                      {
+                        "tag": "tbody"
+                      },
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col"
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+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
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+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "colgroup",
+                        "children": [
+                          {
+                            "tag": "col"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup><col></colgroup><tbody></tbody><colgroup><col></colgroup><tbody><tr></tr></tbody><colgroup><col></colgroup><tbody><tr><td></td></tr></tbody><colgroup><col></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup><col></colgroup><tbody></tbody><colgroup><col></colgroup><tbody><tr></tr></tbody><colgroup><col></colgroup><tbody><tr><td></td></tr></tbody><colgroup><col></colgroup></table>"
+      }
+    },
+    {
+      "data": "<table><colgroup><tbody><colgroup><tr><colgroup><td><colgroup></table><colgroup>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,52): unexpected-cell-in-table-body",
+        "(1,80): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      },
+                      {
+                        "tag": "tbody"
+                      },
+                      {
+                        "tag": "colgroup"
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "colgroup"
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup></colgroup><tbody></tbody><colgroup></colgroup><tbody><tr></tr></tbody><colgroup></colgroup><tbody><tr><td></td></tr></tbody><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup></colgroup><tbody></tbody><colgroup></colgroup><tbody><tr></tr></tbody><colgroup></colgroup><tbody><tr><td></td></tr></tbody><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "</strong></b></em></i></u></strike></s></blink></tt></pre></big></small></font></select></h1></h2></h3></h4></h5></h6></body></br></a></img></title></span></style></script></table></th></td></tr></frame></area></link></param></hr></input></col></base></meta></basefont></bgsound></embed></spacer></p></dd></dt></caption></colgroup></tbody></tfoot></thead></address></blockquote></center></dir></div></dl></fieldset></listing></menu></ol></ul></li></nobr></wbr></form></button></marquee></object></html></frameset></head></iframe></image></isindex></noembed></noframes></noscript></optgroup></option></plaintext></textarea>",
+      "errors": [
+        "(1,9): expected-doctype-but-got-end-tag",
+        "(1,9): unexpected-end-tag-before-html",
+        "(1,13): unexpected-end-tag-before-html",
+        "(1,18): unexpected-end-tag-before-html",
+        "(1,22): unexpected-end-tag-before-html",
+        "(1,26): unexpected-end-tag-before-html",
+        "(1,35): unexpected-end-tag-before-html",
+        "(1,39): unexpected-end-tag-before-html",
+        "(1,47): unexpected-end-tag-before-html",
+        "(1,52): unexpected-end-tag-before-html",
+        "(1,58): unexpected-end-tag-before-html",
+        "(1,64): unexpected-end-tag-before-html",
+        "(1,72): unexpected-end-tag-before-html",
+        "(1,79): unexpected-end-tag-before-html",
+        "(1,88): unexpected-end-tag-before-html",
+        "(1,93): unexpected-end-tag-before-html",
+        "(1,98): unexpected-end-tag-before-html",
+        "(1,103): unexpected-end-tag-before-html",
+        "(1,108): unexpected-end-tag-before-html",
+        "(1,113): unexpected-end-tag-before-html",
+        "(1,118): unexpected-end-tag-before-html",
+        "(1,130): unexpected-end-tag-after-body",
+        "(1,130): unexpected-end-tag-treated-as",
+        "(1,134): unexpected-end-tag",
+        "(1,140): unexpected-end-tag",
+        "(1,148): unexpected-end-tag",
+        "(1,155): unexpected-end-tag",
+        "(1,163): unexpected-end-tag",
+        "(1,172): unexpected-end-tag",
+        "(1,180): unexpected-end-tag",
+        "(1,185): unexpected-end-tag",
+        "(1,190): unexpected-end-tag",
+        "(1,195): unexpected-end-tag",
+        "(1,203): unexpected-end-tag",
+        "(1,210): unexpected-end-tag",
+        "(1,217): unexpected-end-tag",
+        "(1,225): unexpected-end-tag",
+        "(1,230): unexpected-end-tag",
+        "(1,238): unexpected-end-tag",
+        "(1,244): unexpected-end-tag",
+        "(1,251): unexpected-end-tag",
+        "(1,258): unexpected-end-tag",
+        "(1,269): unexpected-end-tag",
+        "(1,279): unexpected-end-tag",
+        "(1,287): unexpected-end-tag",
+        "(1,296): unexpected-end-tag",
+        "(1,300): unexpected-end-tag",
+        "(1,305): unexpected-end-tag",
+        "(1,310): unexpected-end-tag",
+        "(1,320): unexpected-end-tag",
+        "(1,331): unexpected-end-tag",
+        "(1,339): unexpected-end-tag",
+        "(1,347): unexpected-end-tag",
+        "(1,355): unexpected-end-tag",
+        "(1,365): end-tag-too-early",
+        "(1,378): end-tag-too-early",
+        "(1,387): end-tag-too-early",
+        "(1,393): end-tag-too-early",
+        "(1,399): end-tag-too-early",
+        "(1,404): end-tag-too-early",
+        "(1,415): end-tag-too-early",
+        "(1,425): end-tag-too-early",
+        "(1,432): end-tag-too-early",
+        "(1,437): end-tag-too-early",
+        "(1,442): end-tag-too-early",
+        "(1,447): unexpected-end-tag",
+        "(1,454): unexpected-end-tag",
+        "(1,460): unexpected-end-tag",
+        "(1,467): unexpected-end-tag",
+        "(1,476): end-tag-too-early",
+        "(1,486): end-tag-too-early",
+        "(1,495): end-tag-too-early",
+        "(1,513): expected-eof-but-got-end-tag",
+        "(1,513): unexpected-end-tag",
+        "(1,520): unexpected-end-tag",
+        "(1,529): unexpected-end-tag",
+        "(1,537): unexpected-end-tag",
+        "(1,547): unexpected-end-tag",
+        "(1,557): unexpected-end-tag",
+        "(1,568): unexpected-end-tag",
+        "(1,579): unexpected-end-tag",
+        "(1,590): unexpected-end-tag",
+        "(1,599): unexpected-end-tag",
+        "(1,611): unexpected-end-tag",
+        "(1,622): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><br><p></p></body></html>",
+        "noQuirksBodyHtml": "<br><p></p>"
+      }
+    },
+    {
+      "data": "<table><tr></strong></b></em></i></u></strike></s></blink></tt></pre></big></small></font></select></h1></h2></h3></h4></h5></h6></body></br></a></img></title></span></style></script></table></th></td></tr></frame></area></link></param></hr></input></col></base></meta></basefont></bgsound></embed></spacer></p></dd></dt></caption></colgroup></tbody></tfoot></thead></address></blockquote></center></dir></div></dl></fieldset></listing></menu></ol></ul></li></nobr></wbr></form></button></marquee></object></html></frameset></head></iframe></image></isindex></noembed></noframes></noscript></optgroup></option></plaintext></textarea>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,20): unexpected-end-tag-implies-table-voodoo",
+        "(1,20): unexpected-end-tag",
+        "(1,24): unexpected-end-tag-implies-table-voodoo",
+        "(1,24): unexpected-end-tag",
+        "(1,29): unexpected-end-tag-implies-table-voodoo",
+        "(1,29): unexpected-end-tag",
+        "(1,33): unexpected-end-tag-implies-table-voodoo",
+        "(1,33): unexpected-end-tag",
+        "(1,37): unexpected-end-tag-implies-table-voodoo",
+        "(1,37): unexpected-end-tag",
+        "(1,46): unexpected-end-tag-implies-table-voodoo",
+        "(1,46): unexpected-end-tag",
+        "(1,50): unexpected-end-tag-implies-table-voodoo",
+        "(1,50): unexpected-end-tag",
+        "(1,58): unexpected-end-tag-implies-table-voodoo",
+        "(1,58): unexpected-end-tag",
+        "(1,63): unexpected-end-tag-implies-table-voodoo",
+        "(1,63): unexpected-end-tag",
+        "(1,69): unexpected-end-tag-implies-table-voodoo",
+        "(1,69): end-tag-too-early",
+        "(1,75): unexpected-end-tag-implies-table-voodoo",
+        "(1,75): unexpected-end-tag",
+        "(1,83): unexpected-end-tag-implies-table-voodoo",
+        "(1,83): unexpected-end-tag",
+        "(1,90): unexpected-end-tag-implies-table-voodoo",
+        "(1,90): unexpected-end-tag",
+        "(1,99): unexpected-end-tag-implies-table-voodoo",
+        "(1,99): unexpected-end-tag",
+        "(1,104): unexpected-end-tag-implies-table-voodoo",
+        "(1,104): end-tag-too-early",
+        "(1,109): unexpected-end-tag-implies-table-voodoo",
+        "(1,109): end-tag-too-early",
+        "(1,114): unexpected-end-tag-implies-table-voodoo",
+        "(1,114): end-tag-too-early",
+        "(1,119): unexpected-end-tag-implies-table-voodoo",
+        "(1,119): end-tag-too-early",
+        "(1,124): unexpected-end-tag-implies-table-voodoo",
+        "(1,124): end-tag-too-early",
+        "(1,129): unexpected-end-tag-implies-table-voodoo",
+        "(1,129): end-tag-too-early",
+        "(1,136): unexpected-end-tag-in-table-row",
+        "(1,141): unexpected-end-tag-implies-table-voodoo",
+        "(1,141): unexpected-end-tag-treated-as",
+        "(1,145): unexpected-end-tag-implies-table-voodoo",
+        "(1,145): unexpected-end-tag",
+        "(1,151): unexpected-end-tag-implies-table-voodoo",
+        "(1,151): unexpected-end-tag",
+        "(1,159): unexpected-end-tag-implies-table-voodoo",
+        "(1,159): unexpected-end-tag",
+        "(1,166): unexpected-end-tag-implies-table-voodoo",
+        "(1,166): unexpected-end-tag",
+        "(1,174): unexpected-end-tag-implies-table-voodoo",
+        "(1,174): unexpected-end-tag",
+        "(1,183): unexpected-end-tag-implies-table-voodoo",
+        "(1,183): unexpected-end-tag",
+        "(1,196): unexpected-end-tag",
+        "(1,201): unexpected-end-tag",
+        "(1,206): unexpected-end-tag",
+        "(1,214): unexpected-end-tag",
+        "(1,221): unexpected-end-tag",
+        "(1,228): unexpected-end-tag",
+        "(1,236): unexpected-end-tag",
+        "(1,241): unexpected-end-tag",
+        "(1,249): unexpected-end-tag",
+        "(1,255): unexpected-end-tag",
+        "(1,262): unexpected-end-tag",
+        "(1,269): unexpected-end-tag",
+        "(1,280): unexpected-end-tag",
+        "(1,290): unexpected-end-tag",
+        "(1,298): unexpected-end-tag",
+        "(1,307): unexpected-end-tag",
+        "(1,311): unexpected-end-tag",
+        "(1,316): unexpected-end-tag",
+        "(1,321): unexpected-end-tag",
+        "(1,331): unexpected-end-tag",
+        "(1,342): unexpected-end-tag",
+        "(1,350): unexpected-end-tag",
+        "(1,358): unexpected-end-tag",
+        "(1,366): unexpected-end-tag",
+        "(1,376): end-tag-too-early",
+        "(1,389): end-tag-too-early",
+        "(1,398): end-tag-too-early",
+        "(1,404): end-tag-too-early",
+        "(1,410): end-tag-too-early",
+        "(1,415): end-tag-too-early",
+        "(1,426): end-tag-too-early",
+        "(1,436): end-tag-too-early",
+        "(1,443): end-tag-too-early",
+        "(1,448): end-tag-too-early",
+        "(1,453): end-tag-too-early",
+        "(1,458): unexpected-end-tag",
+        "(1,465): unexpected-end-tag",
+        "(1,471): unexpected-end-tag",
+        "(1,478): unexpected-end-tag",
+        "(1,487): end-tag-too-early",
+        "(1,497): end-tag-too-early",
+        "(1,506): end-tag-too-early",
+        "(1,524): expected-eof-but-got-end-tag",
+        "(1,524): unexpected-end-tag",
+        "(1,531): unexpected-end-tag",
+        "(1,540): unexpected-end-tag",
+        "(1,548): unexpected-end-tag",
+        "(1,558): unexpected-end-tag",
+        "(1,568): unexpected-end-tag",
+        "(1,579): unexpected-end-tag",
+        "(1,590): unexpected-end-tag",
+        "(1,601): unexpected-end-tag",
+        "(1,610): unexpected-end-tag",
+        "(1,622): unexpected-end-tag",
+        "(1,633): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><br><table><tbody><tr></tr></tbody></table><p></p></body></html>",
+        "noQuirksBodyHtml": "<br><table><tbody><tr></tr></tbody></table><p></p>"
+      }
+    },
+    {
+      "data": "<frameset>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,10): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    }
+  ],
+  "tests10.dat": [
+    {
+      "data": "<!DOCTYPE html><svg></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg></svg><![CDATA[a]]>",
+      "errors": [
+        "(1,28) expected-dashes-or-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  },
+                  {
+                    "comment": "[CDATA[a]]"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg></svg><!--[CDATA[a]]--></body></html>",
+        "noQuirksBodyHtml": "<svg></svg><!--[CDATA[a]]-->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><svg></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><select><svg></svg></select>",
+      "errors": [
+        "(1,34) unexpected-start-tag-in-select",
+        "(1,40) unexpected-end-tag-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><select><option><svg></svg></option></select>",
+      "errors": [
+        "(1,42) unexpected-start-tag-in-select",
+        "(1,48) unexpected-end-tag-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><option></option></select></body></html>",
+        "noQuirksBodyHtml": "<select><option></option></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><svg></svg></table>",
+      "errors": [
+        "(1,33) foster-parenting-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg></svg><table></table></body></html>",
+        "noQuirksBodyHtml": "<svg></svg><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><svg><g>foo</g></svg></table>",
+      "errors": [
+        "(1,33) foster-parenting-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g></svg><table></table></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g></svg><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><svg><g>foo</g><g>bar</g></svg></table>",
+      "errors": [
+        "(1,33) foster-parenting-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><table></table></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g></svg><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><svg><g>foo</g><g>bar</g></svg></tbody></table>",
+      "errors": [
+        "(1,40) foster-parenting-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "table": true,
+            "tbody": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g></svg><table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><svg><g>foo</g><g>bar</g></svg></tr></tbody></table>",
+      "errors": [
+        "(1,44) foster-parenting-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g></svg><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg></td></tr></tbody></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true,
+            "svg g": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "g",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "text": "foo"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "g",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "text": "bar"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg><p>baz</td></tr></tbody></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "g",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "text": "foo"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "g",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "text": "bar"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "p",
+                                    "children": [
+                                      {
+                                        "text": "baz"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg><p>baz</p></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg><p>baz</p></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</caption></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</p></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</p></caption></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g><p>baz</table><p>quux",
+      "errors": [
+        "(1,65) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</p></caption></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><caption><svg><g>foo</g><g>bar</g><p>baz</p></svg></caption></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g>baz</table><p>quux",
+      "errors": [
+        "(1,73) unexpected-end-tag",
+        "(1,73) expected-one-end-tag-but-got-another"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              },
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><svg><g>foo</g><g>bar</g>baz</svg></caption></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><caption><svg><g>foo</g><g>bar</g>baz</svg></caption></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><colgroup><svg><g>foo</g><g>bar</g><p>baz</table><p>quux",
+      "errors": [
+        "(1,43) foster-parenting-start-tag svg",
+        "(1,66) unexpected HTML-like start tag token in foreign content",
+        "(1,66) foster-parenting-start-tag",
+        "(1,67) foster-parenting-character",
+        "(1,68) foster-parenting-character",
+        "(1,69) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true,
+            "table": true,
+            "colgroup": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><p>baz</p><table><colgroup></colgroup></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g><p>baz</p></svg><table><colgroup></colgroup></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tr><td><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux",
+      "errors": [
+        "(1,49) unexpected-start-tag-in-select",
+        "(1,52) unexpected-start-tag-in-select",
+        "(1,59) unexpected-end-tag-in-select",
+        "(1,62) unexpected-start-tag-in-select",
+        "(1,69) unexpected-end-tag-in-select",
+        "(1,72) unexpected-start-tag-in-select",
+        "(1,83) unexpected-table-element-end-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "select": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "select",
+                                    "children": [
+                                      {
+                                        "text": "foobarbaz"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><select>foobarbaz</select></td></tr></tbody></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><select>foobarbaz</select></td></tr></tbody></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux",
+      "errors": [
+        "(1,36) unexpected-start-tag-implies-table-voodoo",
+        "(1,41) unexpected-start-tag-in-select",
+        "(1,44) unexpected-start-tag-in-select",
+        "(1,51) unexpected-end-tag-in-select",
+        "(1,54) unexpected-start-tag-in-select",
+        "(1,61) unexpected-end-tag-in-select",
+        "(1,64) unexpected-start-tag-in-select",
+        "(1,75) unexpected-table-element-end-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "text": "foobarbaz"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select>foobarbaz</select><table></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<select>foobarbaz</select><table></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body></body></html><svg><g>foo</g><g>bar</g><p>baz",
+      "errors": [
+        "(1,40) expected-eof-but-got-start-tag",
+        "(1,63) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><p>baz</p></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g><p>baz</p></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body></body><svg><g>foo</g><g>bar</g><p>baz",
+      "errors": [
+        "(1,33) unexpected-start-tag-after-body",
+        "(1,56) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><g>foo</g><g>bar</g></svg><p>baz</p></body></html>",
+        "noQuirksBodyHtml": "<svg><g>foo</g><g>bar</g><p>baz</p></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset><svg><g></g><g></g><p><span>",
+      "errors": [
+        "(1,30) unexpected-start-tag-in-frameset",
+        "(1,33) unexpected-start-tag-in-frameset",
+        "(1,37) unexpected-end-tag-in-frameset",
+        "(1,40) unexpected-start-tag-in-frameset",
+        "(1,44) unexpected-end-tag-in-frameset",
+        "(1,47) unexpected-start-tag-in-frameset",
+        "(1,53) unexpected-start-tag-in-frameset",
+        "(1,53) eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<svg><g></g><g></g><p><span></span></p></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>",
+      "errors": [
+        "(1,41) unexpected-start-tag-after-frameset",
+        "(1,44) unexpected-start-tag-after-frameset",
+        "(1,48) unexpected-end-tag-after-frameset",
+        "(1,51) unexpected-start-tag-after-frameset",
+        "(1,55) unexpected-end-tag-after-frameset",
+        "(1,58) unexpected-start-tag-after-frameset",
+        "(1,64) unexpected-start-tag-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<svg><g></g><g></g><p><span></span></p></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo><svg xlink:href=foo></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "ns": "http://www.w3.org/1999/xlink",
+                        "value": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\"><svg xlink:href=\"foo\"></svg></body></html>",
+        "noQuirksBodyHtml": "<svg xlink:href=\"foo\"></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo></g></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><svg><g xml:lang=\"en\" xlink:href=\"foo\"></g></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><g xml:lang=\"en\" xlink:href=\"foo\"></g></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo /></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><svg><g xml:lang=\"en\" xlink:href=\"foo\"></g></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><g xml:lang=\"en\" xlink:href=\"foo\"></g></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo />bar</svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg g": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "g",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "bar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><svg><g xml:lang=\"en\" xlink:href=\"foo\"></g>bar</svg></body></html>",
+        "noQuirksBodyHtml": "<svg><g xml:lang=\"en\" xlink:href=\"foo\"></g>bar</svg>"
+      }
+    },
+    {
+      "data": "<svg></path>",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,12) unexpected-end-tag",
+        "(1,12) unexpected-end-tag",
+        "(1,12) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<div><svg></div>a",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,16) unexpected-end-tag",
+        "(1,16) end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg></svg></div>a</body></html>",
+        "noQuirksBodyHtml": "<div><svg></svg></div>a"
+      }
+    },
+    {
+      "data": "<div><svg><path></div>a",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,22) unexpected-end-tag",
+        "(1,22) end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "svg svg": true,
+            "svg path": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "path",
+                            "ns": "http://www.w3.org/2000/svg"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg><path></path></svg></div>a</body></html>",
+        "noQuirksBodyHtml": "<div><svg><path></path></svg></div>a"
+      }
+    },
+    {
+      "data": "<div><svg><path></svg><path>",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,22) unexpected-end-tag",
+        "(1,28) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "svg svg": true,
+            "svg path": true,
+            "path": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "path",
+                            "ns": "http://www.w3.org/2000/svg"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "path"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg><path></path></svg><path></path></div></body></html>",
+        "noQuirksBodyHtml": "<div><svg><path></path></svg><path></path></div>"
+      }
+    },
+    {
+      "data": "<div><svg><path><foreignObject><math></div>a",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,43) unexpected-end-tag",
+        "(1,43) end-tag-too-early",
+        "(1,44) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "svg svg": true,
+            "svg path": true,
+            "svg foreignObject": true,
+            "math math": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "path",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "math",
+                                    "ns": "http://www.w3.org/1998/Math/MathML",
+                                    "children": [
+                                      {
+                                        "text": "a"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg><path><foreignObject><math>a</math></foreignObject></path></svg></div></body></html>",
+        "noQuirksBodyHtml": "<div><svg><path><foreignObject><math>a</math></foreignObject></path></svg></div>"
+      }
+    },
+    {
+      "data": "<div><svg><path><foreignObject><p></div>a",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,40) end-tag-too-early",
+        "(1,41) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "svg svg": true,
+            "svg path": true,
+            "svg foreignObject": true,
+            "p": true
+          }
+        },
+        "tree": [
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "path",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "p",
+                                    "children": [
+                                      {
+                                        "text": "a"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg><path><foreignObject><p>a</p></foreignObject></path></svg></div></body></html>",
+        "noQuirksBodyHtml": "<div><svg><path><foreignObject><p>a</p></foreignObject></path></svg></div>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><desc><div><svg><ul>a",
+      "errors": [
+        "(1,40) unexpected-html-element-in-foreign-content",
+        "(1,41) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "body": true,
+            "svg svg": true,
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+            "ul": true
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+        "tree": [
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+          },
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+            "children": [
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+                "tag": "head"
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+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
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+                        "tag": "desc",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "svg",
+                                "ns": "http://www.w3.org/2000/svg"
+                              },
+                              {
+                                "tag": "ul",
+                                "children": [
+                                  {
+                                    "text": "a"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><desc><div><svg></svg><ul>a</ul></div></desc></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><desc><div><svg><ul>a</ul></svg></div></desc></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><desc><svg><ul>a",
+      "errors": [
+        "(1,35) unexpected-html-element-in-foreign-content",
+        "(1,36) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg desc": true,
+            "ul": true
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+          "doctype": true
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
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+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "desc",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg"
+                          },
+                          {
+                            "tag": "ul",
+                            "children": [
+                              {
+                                "text": "a"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><desc><svg></svg><ul>a</ul></desc></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><desc><svg><ul>a</ul></svg></desc></svg>"
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+    },
+    {
+      "data": "<!DOCTYPE html><p><svg><desc><p>",
+      "errors": [
+        "(1,32) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "svg svg": true,
+            "svg desc": true
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+          "doctype": true
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+        "tree": [
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+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "desc",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "p"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><svg><desc><p></p></desc></svg></p></body></html>",
+        "noQuirksBodyHtml": "<p><svg><desc><p></p></desc></svg></p>"
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+    },
+    {
+      "data": "<!DOCTYPE html><p><svg><title><p>",
+      "errors": [
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+      ],
+      "document": {
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+            "head": true,
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+            "svg svg": true,
+            "svg title": true
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+          "doctype": true
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+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "title",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "p"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><svg><title><p></p></title></svg></p></body></html>",
+        "noQuirksBodyHtml": "<p><svg><title><p></p></title></svg></p>"
+      }
+    },
+    {
+      "data": "<div><svg><path><foreignObject><p></foreignObject><p>",
+      "errors": [
+        "(1,5) expected-doctype-but-got-start-tag",
+        "(1,50) unexpected-end-tag",
+        "(1,53) expected-closing-tag-but-got-eof"
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+      "document": {
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+            "body": true,
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "svg",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "path",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "p"
+                                  },
+                                  {
+                                    "tag": "p"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><svg><path><foreignObject><p></p><p></p></foreignObject></path></svg></div></body></html>",
+        "noQuirksBodyHtml": "<div><svg><path><foreignObject><p></p><p></p></foreignObject></path></svg></div>"
+      }
+    },
+    {
+      "data": "<math><mi><div><object><div><span></span></div></object></div></mi><mi>",
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+        "(1,71) expected-closing-tag-but-got-eof"
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+      "document": {
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+            "math math": true,
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "object",
+                                "children": [
+                                  {
+                                    "tag": "div",
+                                    "children": [
+                                      {
+                                        "tag": "span"
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+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
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+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
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+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mi><div><object><div><span></span></div></object></div></mi><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi><div><object><div><span></span></div></object></div></mi><mi></mi></math>"
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+        "(1,83) expected-closing-tag-but-got-eof"
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+      "document": {
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+            "head": true,
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+            "math math": true,
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+            "svg svg": true,
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+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "div",
+                                    "children": [
+                                      {
+                                        "tag": "div"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mi><svg><foreignObject><div><div></div></div></foreignObject></svg></mi><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi><svg><foreignObject><div><div></div></div></foreignObject></svg></mi><mi></mi></math>"
+      }
+    },
+    {
+      "data": "<svg><script></script><path>",
+      "errors": [
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+        "(1,28) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg script": true,
+            "svg path": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "svg",
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+                    "children": [
+                      {
+                        "tag": "script",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "path",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><script></script><path></path></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><script></script><path></path></svg>"
+      }
+    },
+    {
+      "data": "<table><svg></svg><tr>",
+      "errors": [
+        "(1,7) expected-doctype-but-got-start-tag",
+        "(1,12) unexpected-start-tag-implies-table-voodoo",
+        "(1,22) eof-in-table"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
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+            "tbody": true,
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "tag": "svg",
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+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<svg></svg><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<math><mi><mglyph>",
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+        "(1,18) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+          "tags": {
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+            "math math": true,
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+              {
+                "tag": "body",
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+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mglyph",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mi><mglyph></mglyph></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi><mglyph></mglyph></mi></math>"
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+    },
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+        "(1,22) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "math math": true,
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+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "malignmark",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
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+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mi><malignmark></malignmark></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi><malignmark></malignmark></mi></math>"
+      }
+    },
+    {
+      "data": "<math><mo><mglyph>",
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+        "(1,18) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+                        "tag": "mo",
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+                        "children": [
+                          {
+                            "tag": "mglyph",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
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+                        ]
+                      }
+                    ]
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mo><mglyph></mglyph></mo></math></body></html>",
+        "noQuirksBodyHtml": "<math><mo><mglyph></mglyph></mo></math>"
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+    },
+    {
+      "data": "<math><mo><malignmark>",
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+        "(1,22) expected-closing-tag-but-got-eof"
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+      "document": {
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "children": [
+                      {
+                        "tag": "mo",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "malignmark",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
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+                      }
+                    ]
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mo><malignmark></malignmark></mo></math></body></html>",
+        "noQuirksBodyHtml": "<math><mo><malignmark></malignmark></mo></math>"
+      }
+    },
+    {
+      "data": "<math><mn><mglyph>",
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+        "(1,18) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mn",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mglyph",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mn><mglyph></mglyph></mn></math></body></html>",
+        "noQuirksBodyHtml": "<math><mn><mglyph></mglyph></mn></math>"
+      }
+    },
+    {
+      "data": "<math><mn><malignmark>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,22) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mn": true,
+            "math malignmark": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mn",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "malignmark",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mn><malignmark></malignmark></mn></math></body></html>",
+        "noQuirksBodyHtml": "<math><mn><malignmark></malignmark></mn></math>"
+      }
+    },
+    {
+      "data": "<math><ms><mglyph>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,18) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math ms": true,
+            "math mglyph": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "ms",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mglyph",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><ms><mglyph></mglyph></ms></math></body></html>",
+        "noQuirksBodyHtml": "<math><ms><mglyph></mglyph></ms></math>"
+      }
+    },
+    {
+      "data": "<math><ms><malignmark>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,22) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math ms": true,
+            "math malignmark": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "ms",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "malignmark",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><ms><malignmark></malignmark></ms></math></body></html>",
+        "noQuirksBodyHtml": "<math><ms><malignmark></malignmark></ms></math>"
+      }
+    },
+    {
+      "data": "<math><mtext><mglyph>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,21) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mtext": true,
+            "math mglyph": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mtext",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mglyph",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mtext><mglyph></mglyph></mtext></math></body></html>",
+        "noQuirksBodyHtml": "<math><mtext><mglyph></mglyph></mtext></math>"
+      }
+    },
+    {
+      "data": "<math><mtext><malignmark>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,25) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mtext": true,
+            "math malignmark": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mtext",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "malignmark",
+                            "ns": "http://www.w3.org/1998/Math/MathML"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mtext><malignmark></malignmark></mtext></math></body></html>",
+        "noQuirksBodyHtml": "<math><mtext><malignmark></malignmark></mtext></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml><svg></svg></annotation-xml><mi>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,54) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "math mi": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml><svg></svg></annotation-xml><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml><svg></svg></annotation-xml><mi></mi></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml><svg><foreignObject><div><math><mi></mi></math><span></span></div></foreignObject><path></path></svg></annotation-xml><mi>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,144) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "div": true,
+            "math mi": true,
+            "span": true,
+            "svg path": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "div",
+                                    "children": [
+                                      {
+                                        "tag": "math",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "tag": "mi",
+                                            "ns": "http://www.w3.org/1998/Math/MathML"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "span"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "path",
+                                "ns": "http://www.w3.org/2000/svg"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml><svg><foreignObject><div><math><mi></mi></math><span></span></div></foreignObject><path></path></svg></annotation-xml><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml><svg><foreignObject><div><math><mi></mi></math><span></span></div></foreignObject><path></path></svg></annotation-xml><mi></mi></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml><svg><foreignObject><math><mi><svg></svg></mi><mo></mo></math><span></span></foreignObject><path></path></svg></annotation-xml><mi>",
+      "errors": [
+        "(1,6) expected-doctype-but-got-start-tag",
+        "(1,153) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "math mi": true,
+            "math mo": true,
+            "span": true,
+            "svg path": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "foreignObject",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "math",
+                                    "ns": "http://www.w3.org/1998/Math/MathML",
+                                    "children": [
+                                      {
+                                        "tag": "mi",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "tag": "svg",
+                                            "ns": "http://www.w3.org/2000/svg"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "mo",
+                                        "ns": "http://www.w3.org/1998/Math/MathML"
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "span"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "path",
+                                "ns": "http://www.w3.org/2000/svg"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml><svg><foreignObject><math><mi><svg></svg></mi><mo></mo></math><span></span></foreignObject><path></path></svg></annotation-xml><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml><svg><foreignObject><math><mi><svg></svg></mi><mo></mo></math><span></span></foreignObject><path></path></svg></annotation-xml><mi></mi></math>"
+      }
+    }
+  ],
+  "tests11.dat": [
+    {
+      "data": "<!DOCTYPE html><body><svg attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' diffuseConstant='' edgeMode='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "attrs": [
+                      {
+                        "name": "attributeName",
+                        "value": ""
+                      },
+                      {
+                        "name": "attributeType",
+                        "value": ""
+                      },
+                      {
+                        "name": "baseFrequency",
+                        "value": ""
+                      },
+                      {
+                        "name": "baseProfile",
+                        "value": ""
+                      },
+                      {
+                        "name": "calcMode",
+                        "value": ""
+                      },
+                      {
+                        "name": "clipPathUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "diffuseConstant",
+                        "value": ""
+                      },
+                      {
+                        "name": "edgeMode",
+                        "value": ""
+                      },
+                      {
+                        "name": "filterUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "glyphRef",
+                        "value": ""
+                      },
+                      {
+                        "name": "gradientTransform",
+                        "value": ""
+                      },
+                      {
+                        "name": "gradientUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "kernelMatrix",
+                        "value": ""
+                      },
+                      {
+                        "name": "kernelUnitLength",
+                        "value": ""
+                      },
+                      {
+                        "name": "keyPoints",
+                        "value": ""
+                      },
+                      {
+                        "name": "keySplines",
+                        "value": ""
+                      },
+                      {
+                        "name": "keyTimes",
+                        "value": ""
+                      },
+                      {
+                        "name": "lengthAdjust",
+                        "value": ""
+                      },
+                      {
+                        "name": "limitingConeAngle",
+                        "value": ""
+                      },
+                      {
+                        "name": "markerHeight",
+                        "value": ""
+                      },
+                      {
+                        "name": "markerUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "markerWidth",
+                        "value": ""
+                      },
+                      {
+                        "name": "maskContentUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "maskUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "numOctaves",
+                        "value": ""
+                      },
+                      {
+                        "name": "pathLength",
+                        "value": ""
+                      },
+                      {
+                        "name": "patternContentUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "patternTransform",
+                        "value": ""
+                      },
+                      {
+                        "name": "patternUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "pointsAtX",
+                        "value": ""
+                      },
+                      {
+                        "name": "pointsAtY",
+                        "value": ""
+                      },
+                      {
+                        "name": "pointsAtZ",
+                        "value": ""
+                      },
+                      {
+                        "name": "preserveAlpha",
+                        "value": ""
+                      },
+                      {
+                        "name": "preserveAspectRatio",
+                        "value": ""
+                      },
+                      {
+                        "name": "primitiveUnits",
+                        "value": ""
+                      },
+                      {
+                        "name": "refX",
+                        "value": ""
+                      },
+                      {
+                        "name": "refY",
+                        "value": ""
+                      },
+                      {
+                        "name": "repeatCount",
+                        "value": ""
+                      },
+                      {
+                        "name": "repeatDur",
+                        "value": ""
+                      },
+                      {
+                        "name": "requiredExtensions",
+                        "value": ""
+                      },
+                      {
+                        "name": "requiredFeatures",
+                        "value": ""
+                      },
+                      {
+                        "name": "specularConstant",
+                        "value": ""
+                      },
+                      {
+                        "name": "specularExponent",
+                        "value": ""
+                      },
+                      {
+                        "name": "spreadMethod",
+                        "value": ""
+                      },
+                      {
+                        "name": "startOffset",
+                        "value": ""
+                      },
+                      {
+                        "name": "stdDeviation",
+                        "value": ""
+                      },
+                      {
+                        "name": "stitchTiles",
+                        "value": ""
+                      },
+                      {
+                        "name": "surfaceScale",
+                        "value": ""
+                      },
+                      {
+                        "name": "systemLanguage",
+                        "value": ""
+                      },
+                      {
+                        "name": "tableValues",
+                        "value": ""
+                      },
+                      {
+                        "name": "targetX",
+                        "value": ""
+                      },
+                      {
+                        "name": "targetY",
+                        "value": ""
+                      },
+                      {
+                        "name": "textLength",
+                        "value": ""
+                      },
+                      {
+                        "name": "viewBox",
+                        "value": ""
+                      },
+                      {
+                        "name": "viewTarget",
+                        "value": ""
+                      },
+                      {
+                        "name": "xChannelSelector",
+                        "value": ""
+                      },
+                      {
+                        "name": "yChannelSelector",
+                        "value": ""
+                      },
+                      {
+                        "name": "zoomAndPan",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
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+                      {
+                        "tag": "animateColor",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "animateMotion",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "animateTransform",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "clipPath",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feBlend",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feColorMatrix",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feComponentTransfer",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feComposite",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feConvolveMatrix",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feDiffuseLighting",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feDisplacementMap",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feDistantLight",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feFlood",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feFuncA",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feFuncB",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feFuncG",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feFuncR",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feGaussianBlur",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feImage",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feMerge",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feMergeNode",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feMorphology",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feOffset",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "fePointLight",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feSpecularLighting",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feSpotLight",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feTile",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "feTurbulence",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "glyphRef",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "linearGradient",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "radialGradient",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "textPath",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><altGlyph></altGlyph><altGlyphDef></altGlyphDef><altGlyphItem></altGlyphItem><animateColor></animateColor><animateMotion></animateMotion><animateTransform></animateTransform><clipPath></clipPath><feBlend></feBlend><feColorMatrix></feColorMatrix><feComponentTransfer></feComponentTransfer><feComposite></feComposite><feConvolveMatrix></feConvolveMatrix><feDiffuseLighting></feDiffuseLighting><feDisplacementMap></feDisplacementMap><feDistantLight></feDistantLight><feFlood></feFlood><feFuncA></feFuncA><feFuncB></feFuncB><feFuncG></feFuncG><feFuncR></feFuncR><feGaussianBlur></feGaussianBlur><feImage></feImage><feMerge></feMerge><feMergeNode></feMergeNode><feMorphology></feMorphology><feOffset></feOffset><fePointLight></fePointLight><feSpecularLighting></feSpecularLighting><feSpotLight></feSpotLight><feTile></feTile><feTurbulence></feTurbulence><foreignObject></foreignObject><glyphRef></glyphRef><linearGradient></linearGradient><radialGradient></radialGradient><textPath></textPath></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><altGlyph></altGlyph><altGlyphDef></altGlyphDef><altGlyphItem></altGlyphItem><animateColor></animateColor><animateMotion></animateMotion><animateTransform></animateTransform><clipPath></clipPath><feBlend></feBlend><feColorMatrix></feColorMatrix><feComponentTransfer></feComponentTransfer><feComposite></feComposite><feConvolveMatrix></feConvolveMatrix><feDiffuseLighting></feDiffuseLighting><feDisplacementMap></feDisplacementMap><feDistantLight></feDistantLight><feFlood></feFlood><feFuncA></feFuncA><feFuncB></feFuncB><feFuncG></feFuncG><feFuncR></feFuncR><feGaussianBlur></feGaussianBlur><feImage></feImage><feMerge></feMerge><feMergeNode></feMergeNode><feMorphology></feMorphology><feOffset></feOffset><fePointLight></fePointLight><feSpecularLighting></feSpecularLighting><feSpotLight></feSpotLight><feTile></feTile><feTurbulence></feTurbulence><foreignObject></foreignObject><glyphRef></glyphRef><linearGradient></linearGradient><radialGradient></radialGradient><textPath></textPath></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><math><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math altglyph": true,
+            "math altglyphdef": true,
+            "math altglyphitem": true,
+            "math animatecolor": true,
+            "math animatemotion": true,
+            "math animatetransform": true,
+            "math clippath": true,
+            "math feblend": true,
+            "math fecolormatrix": true,
+            "math fecomponenttransfer": true,
+            "math fecomposite": true,
+            "math feconvolvematrix": true,
+            "math fediffuselighting": true,
+            "math fedisplacementmap": true,
+            "math fedistantlight": true,
+            "math feflood": true,
+            "math fefunca": true,
+            "math fefuncb": true,
+            "math fefuncg": true,
+            "math fefuncr": true,
+            "math fegaussianblur": true,
+            "math feimage": true,
+            "math femerge": true,
+            "math femergenode": true,
+            "math femorphology": true,
+            "math feoffset": true,
+            "math fepointlight": true,
+            "math fespecularlighting": true,
+            "math fespotlight": true,
+            "math fetile": true,
+            "math feturbulence": true,
+            "math foreignobject": true,
+            "math glyphref": true,
+            "math lineargradient": true,
+            "math radialgradient": true,
+            "math textpath": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "altglyph",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "altglyphdef",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "altglyphitem",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "animatecolor",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "animatemotion",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "animatetransform",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "clippath",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feblend",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fecolormatrix",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fecomponenttransfer",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fecomposite",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feconvolvematrix",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fediffuselighting",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fedisplacementmap",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fedistantlight",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feflood",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fefunca",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fefuncb",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fefuncg",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fefuncr",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fegaussianblur",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feimage",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "femerge",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "femergenode",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "femorphology",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feoffset",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fepointlight",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fespecularlighting",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fespotlight",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "fetile",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "feturbulence",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "foreignobject",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "glyphref",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "lineargradient",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "radialgradient",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      },
+                      {
+                        "tag": "textpath",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><altglyph></altglyph><altglyphdef></altglyphdef><altglyphitem></altglyphitem><animatecolor></animatecolor><animatemotion></animatemotion><animatetransform></animatetransform><clippath></clippath><feblend></feblend><fecolormatrix></fecolormatrix><fecomponenttransfer></fecomponenttransfer><fecomposite></fecomposite><feconvolvematrix></feconvolvematrix><fediffuselighting></fediffuselighting><fedisplacementmap></fedisplacementmap><fedistantlight></fedistantlight><feflood></feflood><fefunca></fefunca><fefuncb></fefuncb><fefuncg></fefuncg><fefuncr></fefuncr><fegaussianblur></fegaussianblur><feimage></feimage><femerge></femerge><femergenode></femergenode><femorphology></femorphology><feoffset></feoffset><fepointlight></fepointlight><fespecularlighting></fespecularlighting><fespotlight></fespotlight><fetile></fetile><feturbulence></feturbulence><foreignobject></foreignobject><glyphref></glyphref><lineargradient></lineargradient><radialgradient></radialgradient><textpath></textpath></math></body></html>",
+        "noQuirksBodyHtml": "<math><altglyph></altglyph><altglyphdef></altglyphdef><altglyphitem></altglyphitem><animatecolor></animatecolor><animatemotion></animatemotion><animatetransform></animatetransform><clippath></clippath><feblend></feblend><fecolormatrix></fecolormatrix><fecomponenttransfer></fecomponenttransfer><fecomposite></fecomposite><feconvolvematrix></feconvolvematrix><fediffuselighting></fediffuselighting><fedisplacementmap></fedisplacementmap><fedistantlight></fedistantlight><feflood></feflood><fefunca></fefunca><fefuncb></fefuncb><fefuncg></fefuncg><fefuncr></fefuncr><fegaussianblur></fegaussianblur><feimage></feimage><femerge></femerge><femergenode></femergenode><femorphology></femorphology><feoffset></feoffset><fepointlight></fepointlight><fespecularlighting></fespecularlighting><fespotlight></fespotlight><fetile></fetile><feturbulence></feturbulence><foreignobject></foreignobject><glyphref></glyphref><lineargradient></lineargradient><radialgradient></radialgradient><textpath></textpath></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><svg><solidColor /></svg>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg solidcolor": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "solidcolor",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><solidcolor></solidcolor></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><solidcolor></solidcolor></svg>"
+      }
+    }
+  ],
+  "tests12.dat": [
+    {
+      "data": "<!DOCTYPE html><body><p>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math mtext": true,
+            "i": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "svg desc": true,
+            "b": true,
+            "svg g": true,
+            "svg foreignObject": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "img": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "foo"
+                      },
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mtext",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "i",
+                                "children": [
+                                  {
+                                    "text": "baz"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "annotation-xml",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "svg",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "desc",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "b",
+                                        "children": [
+                                          {
+                                            "text": "eggs"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "g",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "foreignObject",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "tag": "p",
+                                            "children": [
+                                              {
+                                                "text": "spam"
+                                              }
+                                            ]
+                                          },
+                                          {
+                                            "tag": "table",
+                                            "children": [
+                                              {
+                                                "tag": "tbody",
+                                                "children": [
+                                                  {
+                                                    "tag": "tr",
+                                                    "children": [
+                                                      {
+                                                        "tag": "td",
+                                                        "children": [
+                                                          {
+                                                            "tag": "img"
+                                                          }
+                                                        ]
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "g",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "text": "quux"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "text": "bar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><p>spam</p><table><tbody><tr><td><img></td></tr></tbody></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar</p></body></html>",
+        "noQuirksBodyHtml": "<p>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><p>spam</p><table><tbody><tr><td><img></td></tr></tbody></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mtext": true,
+            "i": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "svg desc": true,
+            "b": true,
+            "svg g": true,
+            "svg foreignObject": true,
+            "p": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "img": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "foo"
+                  },
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mtext",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg",
+                            "children": [
+                              {
+                                "tag": "desc",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "b",
+                                    "children": [
+                                      {
+                                        "text": "eggs"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "tag": "foreignObject",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "p",
+                                        "children": [
+                                          {
+                                            "text": "spam"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "table",
+                                        "children": [
+                                          {
+                                            "tag": "tbody",
+                                            "children": [
+                                              {
+                                                "tag": "tr",
+                                                "children": [
+                                                  {
+                                                    "tag": "td",
+                                                    "children": [
+                                                      {
+                                                        "tag": "img"
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "g",
+                                "ns": "http://www.w3.org/2000/svg",
+                                "children": [
+                                  {
+                                    "text": "quux"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "bar"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><p>spam</p><table><tbody><tr><td><img></td></tr></tbody></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar</body></html>",
+        "noQuirksBodyHtml": "foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><p>spam</p><table><tbody><tr><td><img></td></tr></tbody></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar"
+      }
+    }
+  ],
+  "tests14.dat": [
+    {
+      "data": "<!DOCTYPE html><html><body><xyz:abc></xyz:abc>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xyz:abc": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xyz:abc"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><xyz:abc></xyz:abc></body></html>",
+        "noQuirksBodyHtml": "<xyz:abc></xyz:abc>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><body><xyz:abc></xyz:abc><span></span>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xyz:abc": true,
+            "span": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xyz:abc"
+                  },
+                  {
+                    "tag": "span"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><xyz:abc></xyz:abc><span></span></body></html>",
+        "noQuirksBodyHtml": "<xyz:abc></xyz:abc><span></span>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><html abc:def=gh><xyz:abc></xyz:abc>",
+      "errors": [
+        "(1,38): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xyz:abc": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "abc:def",
+                "value": "gh"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xyz:abc"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html abc:def=\"gh\"><head></head><body><xyz:abc></xyz:abc></body></html>",
+        "noQuirksBodyHtml": "<xyz:abc></xyz:abc>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html xml:lang=bar><html xml:lang=foo>",
+      "errors": [
+        "(1,53): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "xml:lang",
+                "value": "bar"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html xml:lang=\"bar\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html 123=456>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "123",
+                "value": "456"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html 123=\"456\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html 123=456><html 789=012>",
+      "errors": [
+        "(1,43): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "123",
+                "value": "456"
+              },
+              {
+                "name": "789",
+                "value": "012"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html 123=\"456\" 789=\"012\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><body 789=012>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "789",
+                    "value": "012"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body 789=\"012\"></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    }
+  ],
+  "tests15.dat": [
+    {
+      "data": "<!DOCTYPE html><p><b><i><u></p> <p>X",
+      "errors": [
+        "(1,31): unexpected-end-tag",
+        "(1,36): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true,
+            "i": true,
+            "u": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "u"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "u",
+                            "children": [
+                              {
+                                "text": " "
+                              },
+                              {
+                                "tag": "p",
+                                "children": [
+                                  {
+                                    "text": "X"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><b><i><u></u></i></b></p><b><i><u> <p>X</p></u></i></b></body></html>",
+        "noQuirksBodyHtml": "<p><b><i><u></u></i></b></p><b><i><u> <p>X</p></u></i></b>"
+      }
+    },
+    {
+      "data": "<p><b><i><u></p>\n<p>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,16): unexpected-end-tag",
+        "(2,4): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true,
+            "i": true,
+            "u": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "u"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "u",
+                            "children": [
+                              {
+                                "text": "\n"
+                              },
+                              {
+                                "tag": "p",
+                                "children": [
+                                  {
+                                    "text": "X"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><b><i><u></u></i></b></p><b><i><u>\n<p>X</p></u></i></b></body></html>",
+        "noQuirksBodyHtml": "<p><b><i><u></u></i></b></p><b><i><u>\n<p>X</p></u></i></b>"
+      }
+    },
+    {
+      "data": "<!doctype html></html> <head>",
+      "errors": [
+        "(1,29): expected-eof-but-got-start-tag",
+        "(1,29): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": " "
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body> </body></html>",
+        "noQuirksBodyHtml": " "
+      }
+    },
+    {
+      "data": "<!doctype html></body><meta>",
+      "errors": [
+        "(1,28): unexpected-start-tag-after-body"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "meta": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "meta"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><meta></body></html>",
+        "noQuirksBodyHtml": "<meta>"
+      }
+    },
+    {
+      "data": "<html></html><!-- foo -->",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          },
+          {
+            "comment": " foo "
+          }
+        ],
+        "html": "<html><head></head><body></body></html><!-- foo -->",
+        "noQuirksBodyHtml": "<!-- foo -->"
+      }
+    },
+    {
+      "data": "<!doctype html></body><title>X</title>",
+      "errors": [
+        "(1,29): unexpected-start-tag-after-body"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "title": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><title>X</title></body></html>",
+        "noQuirksBodyHtml": "<title>X</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><table> X<meta></table>",
+      "errors": [
+        "(1,23): foster-parenting-character",
+        "(1,24): foster-parenting-character",
+        "(1,30): foster-parenting-start-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "meta": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": " X"
+                  },
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body> X<meta><table></table></body></html>",
+        "noQuirksBodyHtml": " X<meta><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table> x</table>",
+      "errors": [
+        "(1,23): foster-parenting-character",
+        "(1,24): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": " x"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body> x<table></table></body></html>",
+        "noQuirksBodyHtml": " x<table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table> x </table>",
+      "errors": [
+        "(1,23): foster-parenting-character",
+        "(1,24): foster-parenting-character",
+        "(1,25): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": " x "
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body> x <table></table></body></html>",
+        "noQuirksBodyHtml": " x <table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr> x</table>",
+      "errors": [
+        "(1,27): foster-parenting-character",
+        "(1,28): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": " x"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body> x<table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": " x<table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table>X<style> <tr>x </style> </table>",
+      "errors": [
+        "(1,23): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "style": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "style",
+                        "children": [
+                          {
+                            "text": " <tr>x ",
+                            "no_escape": true
+                          }
+                        ]
+                      },
+                      {
+                        "text": " "
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X<table><style> <tr>x </style> </table></body></html>",
+        "noQuirksBodyHtml": "X<table><style> <tr>x </style> </table>"
+      }
+    },
+    {
+      "data": "<!doctype html><div><table><a>foo</a> <tr><td>bar</td> </tr></table></div>",
+      "errors": [
+        "(1,30): foster-parenting-start-tag",
+        "(1,31): foster-parenting-character",
+        "(1,32): foster-parenting-character",
+        "(1,33): foster-parenting-character",
+        "(1,37): foster-parenting-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "a": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "text": " "
+                          },
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr",
+                                "children": [
+                                  {
+                                    "tag": "td",
+                                    "children": [
+                                      {
+                                        "text": "bar"
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "text": " "
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><div><a>foo</a><table> <tbody><tr><td>bar</td> </tr></tbody></table></div></body></html>",
+        "noQuirksBodyHtml": "<div><a>foo</a><table> <tbody><tr><td>bar</td> </tr></tbody></table></div>"
+      }
+    },
+    {
+      "data": "<frame></frame></frame><frameset><frame><frameset><frame></frameset><noframes></frameset><noframes>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,7): unexpected-start-tag-ignored",
+        "(1,15): unexpected-end-tag",
+        "(1,23): unexpected-end-tag",
+        "(1,33): unexpected-start-tag",
+        "(1,99): expected-named-closing-tag-but-got-eof",
+        "(1,99): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "frame": true,
+            "noframes": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  },
+                  {
+                    "tag": "frameset",
+                    "children": [
+                      {
+                        "tag": "frame"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "noframes",
+                    "children": [
+                      {
+                        "text": "</frameset><noframes>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset><frame><frameset><frame></frameset><noframes></frameset><noframes></noframes></frameset></html>",
+        "noQuirksBodyHtml": "<noframes></frameset><noframes></noframes>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><object></html>",
+      "errors": [
+        "(1,30): expected-body-in-scope",
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "object": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "object"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><object></object></body></html>",
+        "noQuirksBodyHtml": "<object></object>"
+      }
+    }
+  ],
+  "tests16.dat": [
+    {
+      "data": "<!doctype html><script>",
+      "errors": [
+        "(1,23): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script>a",
+      "errors": [
+        "(1,24): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "a",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script>a</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script>a</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script><",
+      "errors": [
+        "(1,24): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "<",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script><</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script><</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></",
+      "errors": [
+        "(1,25): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></S",
+      "errors": [
+        "(1,26): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</S",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></S</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></S</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SC",
+      "errors": [
+        "(1,27): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SC",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></SC</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SC</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SCR",
+      "errors": [
+        "(1,28): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCR",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></SCR</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCR</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SCRI",
+      "errors": [
+        "(1,29): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRI",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></SCRI</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRI</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SCRIP",
+      "errors": [
+        "(1,30): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRIP",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></SCRIP</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRIP</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SCRIPT",
+      "errors": [
+        "(1,31): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRIPT",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></SCRIPT</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRIPT</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></SCRIPT ",
+      "errors": [
+        "(1,32): expected-attribute-name-but-got-eof",
+        "(1,32): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></s",
+      "errors": [
+        "(1,26): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</s",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></s</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></s</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></sc",
+      "errors": [
+        "(1,27): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</sc",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></sc</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></sc</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></scr",
+      "errors": [
+        "(1,28): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scr",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></scr</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scr</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></scri",
+      "errors": [
+        "(1,29): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scri",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></scri</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scri</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></scrip",
+      "errors": [
+        "(1,30): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scrip",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script></scrip</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scrip</script>"
+      }
+    },
+    {
+      "data": "<!doctype html><script></script",
+      "errors": [
+        "(1,31): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</script",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
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+                      {
+                        "text": "<!--<br><html xmlns:v=\"urn:schemas-microsoft-com:vml\"><!--[if !mso]><style>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style><!--<br><html xmlns:v=\"urn:schemas-microsoft-com:vml\"><!--[if !mso]><style></style></head><body>X</body></html>",
+        "noQuirksBodyHtml": "<style><!--<br><html xmlns:v=\"urn:schemas-microsoft-com:vml\"><!--[if !mso]><style></style>X"
+      }
+    },
+    {
+      "data": "<!doctype html><style><!--...<style><!--...--!></style>--></style>",
+      "errors": [
+        "(1,66): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "<!--...<style><!--...--!>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style><!--...<style><!--...--!></style></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<style><!--...<style><!--...--!></style>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><style><!--...</style><!-- --><style>@import ...</style>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "<!--...",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "comment": " "
+                  },
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "@import ...",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style><!--...</style><!-- --><style>@import ...</style></head><body></body></html>",
+        "noQuirksBodyHtml": "<style><!--...</style><!-- --><style>@import ...</style>"
+      }
+    },
+    {
+      "data": "<!doctype html><style>...<style><!--...</style><!-- --></style>",
+      "errors": [
+        "(1,63): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "...<style><!--...",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "comment": " "
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style>...<style><!--...</style><!-- --></head><body></body></html>",
+        "noQuirksBodyHtml": "<style>...<style><!--...</style><!-- -->"
+      }
+    },
+    {
+      "data": "<!doctype html><style>...<!--[if IE]><style>...</style>X",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "...<!--[if IE]><style>...",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><style>...<!--[if IE]><style>...</style></head><body>X</body></html>",
+        "noQuirksBodyHtml": "<style>...<!--[if IE]><style>...</style>X"
+      }
+    },
+    {
+      "data": "<!doctype html><title><!--<title></title>--></title>",
+      "errors": [
+        "(1,52): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<!--<title>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>&lt;!--&lt;title&gt;</title></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<title>&lt;!--&lt;title&gt;</title>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><title>&lt;/title></title>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "</title>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>&lt;/title&gt;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;/title&gt;</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><title>foo/title><link></head><body>X",
+      "errors": [
+        "(1,52): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "foo/title><link></head><body>X",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>foo/title&gt;&lt;link&gt;&lt;/head&gt;&lt;body&gt;X</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>foo/title&gt;&lt;link&gt;&lt;/head&gt;&lt;body&gt;X</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><!--<noscript></noscript>--></noscript>",
+      "errors": [
+        "(1,64): unexpected-end-tag"
+      ],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<!--<noscript>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript><!--<noscript></noscript></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--&lt;noscript&gt;</noscript>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><!--<noscript></noscript>--></noscript>",
+      "errors": [],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "comment": "<noscript></noscript>"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript><!--<noscript></noscript>--></noscript></head><body></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--&lt;noscript&gt;</noscript>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><!--</noscript>X<noscript>--></noscript>",
+      "errors": [],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "-->",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript><!--</noscript></head><body>X<noscript>--></noscript></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>X<noscript>--&gt;</noscript>"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><!--</noscript>X<noscript>--></noscript>",
+      "errors": [],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "comment": "</noscript>X<noscript>"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript><!--</noscript>X<noscript>--></noscript></head><body></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>X<noscript>--&gt;</noscript>"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><iframe></noscript>X",
+      "errors": [],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<iframe>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript><iframe></noscript></head><body>X</body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;iframe&gt;</noscript>X"
+      }
+    },
+    {
+      "data": "<!doctype html><noscript><iframe></noscript>X",
+      "errors": [
+        " * (1,34) unexpected token in head noscript",
+        " * (1,46) unexpected EOF"
+      ],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true,
+            "iframe": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript"
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "</noscript>X",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noscript></noscript></head><body><iframe></noscript>X</iframe></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;iframe&gt;</noscript>X"
+      }
+    },
+    {
+      "data": "<!doctype html><noframes><!--<noframes></noframes>--></noframes>",
+      "errors": [
+        "(1,64): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noframes": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noframes",
+                    "children": [
+                      {
+                        "text": "<!--<noframes>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noframes><!--<noframes></noframes></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noframes><!--<noframes></noframes>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><noframes><body><script><!--...</script></body></noframes></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noframes": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noframes",
+                    "children": [
+                      {
+                        "text": "<body><script><!--...</script></body>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><noframes><body><script><!--...</script></body></noframes></head><body></body></html>",
+        "noQuirksBodyHtml": "<noframes><body><script><!--...</script></body></noframes>"
+      }
+    },
+    {
+      "data": "<!doctype html><textarea><!--<textarea></textarea>--></textarea>",
+      "errors": [
+        "(1,64): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "<!--<textarea>",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>&lt;!--&lt;textarea&gt;</textarea>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;!--&lt;textarea&gt;</textarea>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><textarea>&lt;/textarea></textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "</textarea>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>&lt;/textarea&gt;</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;/textarea&gt;</textarea>"
+      }
+    },
+    {
+      "data": "<!doctype html><textarea>&lt;</textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "<",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>&lt;</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;</textarea>"
+      }
+    },
+    {
+      "data": "<!doctype html><textarea>a&lt;b</textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "a<b",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>a&lt;b</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>a&lt;b</textarea>"
+      }
+    },
+    {
+      "data": "<!doctype html><iframe><!--<iframe></iframe>--></iframe>",
+      "errors": [
+        "(1,56): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "<!--<iframe>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><iframe><!--<iframe></iframe>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<iframe><!--<iframe></iframe>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><iframe>...<!--X->...<!--/X->...</iframe>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "...<!--X->...<!--/X->...",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><iframe>...<!--X->...<!--/X->...</iframe></body></html>",
+        "noQuirksBodyHtml": "<iframe>...<!--X->...<!--/X->...</iframe>"
+      }
+    },
+    {
+      "data": "<!doctype html><xmp><!--<xmp></xmp>--></xmp>",
+      "errors": [
+        "(1,44): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xmp": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xmp",
+                    "children": [
+                      {
+                        "text": "<!--<xmp>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><xmp><!--<xmp></xmp>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<xmp><!--<xmp></xmp>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><noembed><!--<noembed></noembed>--></noembed>",
+      "errors": [
+        "(1,60): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "noembed": true
+          },
+          "doctype": true,
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "noembed",
+                    "children": [
+                      {
+                        "text": "<!--<noembed>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><noembed><!--<noembed></noembed>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noembed><!--<noembed></noembed>--&gt;"
+      }
+    },
+    {
+      "data": "<script>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,8): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></script>"
+      }
+    },
+    {
+      "data": "<script>a",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,9): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "a",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script>a</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script>a</script>"
+      }
+    },
+    {
+      "data": "<script><",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,9): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "<",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script><</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script><</script>"
+      }
+    },
+    {
+      "data": "<script></",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,10): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></</script>"
+      }
+    },
+    {
+      "data": "<script></S",
+      "errors": [
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+        "(1,11): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</S",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></S</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></S</script>"
+      }
+    },
+    {
+      "data": "<script></SC",
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+        "(1,12): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SC",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></SC</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SC</script>"
+      }
+    },
+    {
+      "data": "<script></SCR",
+      "errors": [
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+        "(1,13): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCR",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></SCR</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCR</script>"
+      }
+    },
+    {
+      "data": "<script></SCRI",
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+        "(1,14): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRI",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></SCRI</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRI</script>"
+      }
+    },
+    {
+      "data": "<script></SCRIP",
+      "errors": [
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+        "(1,15): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRIP",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></SCRIP</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRIP</script>"
+      }
+    },
+    {
+      "data": "<script></SCRIPT",
+      "errors": [
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+        "(1,16): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "script": true,
+            "body": true
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+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</SCRIPT",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></SCRIPT</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></SCRIPT</script>"
+      }
+    },
+    {
+      "data": "<script></SCRIPT ",
+      "errors": [
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+        "(1,17): expected-attribute-name-but-got-eof",
+        "(1,17): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "script": true,
+            "body": true
+          }
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+        "tree": [
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+            "tag": "html",
+            "children": [
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+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></script>"
+      }
+    },
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+      "data": "<script></s",
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+        "(1,11): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "script": true,
+            "body": true
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+        "tree": [
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+            "tag": "html",
+            "children": [
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+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</s",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></s</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></s</script>"
+      }
+    },
+    {
+      "data": "<script></sc",
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+        "(1,12): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</sc",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></sc</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></sc</script>"
+      }
+    },
+    {
+      "data": "<script></scr",
+      "errors": [
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+        "(1,13): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scr",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></scr</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scr</script>"
+      }
+    },
+    {
+      "data": "<script></scri",
+      "errors": [
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+        "(1,14): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scri",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></scri</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scri</script>"
+      }
+    },
+    {
+      "data": "<script></scrip",
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+        "(1,15): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</scrip",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></scrip</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></scrip</script>"
+      }
+    },
+    {
+      "data": "<script></script",
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+        "(1,16): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
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+          "no_escape": true
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+        "noQuirksBodyHtml": "<script></script</script>"
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+        "noQuirksBodyHtml": "<script><!--</script>"
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+        "noQuirksBodyHtml": "<script><!--<s</script>"
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+        "noQuirksBodyHtml": "<script><!--<script <</script>"
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+        "noQuirksBodyHtml": "<script><!--<script </</script>"
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+        "noQuirksBodyHtml": "<script><!--<script </s</script>"
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+        "noQuirksBodyHtml": "<script><!--<script </script</script>"
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+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "...<!--[if IE]><style>...",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style>...<!--[if IE]><style>...</style></head><body>X</body></html>",
+        "noQuirksBodyHtml": "<style>...<!--[if IE]><style>...</style>X"
+      }
+    },
+    {
+      "data": "<title><!--<title></title>--></title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,37): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<!--<title>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&lt;!--&lt;title&gt;</title></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<title>&lt;!--&lt;title&gt;</title>--&gt;"
+      }
+    },
+    {
+      "data": "<title>&lt;/title></title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "</title>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&lt;/title&gt;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;/title&gt;</title>"
+      }
+    },
+    {
+      "data": "<title>foo/title><link></head><body>X",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,37): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "foo/title><link></head><body>X",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>foo/title&gt;&lt;link&gt;&lt;/head&gt;&lt;body&gt;X</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>foo/title&gt;&lt;link&gt;&lt;/head&gt;&lt;body&gt;X</title>"
+      }
+    },
+    {
+      "data": "<noscript><!--<noscript></noscript>--></noscript>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,49): unexpected-end-tag"
+      ],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<!--<noscript>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--<noscript></noscript></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--&lt;noscript&gt;</noscript>--&gt;"
+      }
+    },
+    {
+      "data": "<noscript><!--<noscript></noscript>--></noscript>",
+      "errors": [
+        " * (1,11) missing DOCTYPE"
+      ],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "comment": "<noscript></noscript>"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--<noscript></noscript>--></noscript></head><body></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--&lt;noscript&gt;</noscript>--&gt;"
+      }
+    },
+    {
+      "data": "<noscript><!--</noscript>X<noscript>--></noscript>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "-->",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--</noscript></head><body>X<noscript>--></noscript></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>X<noscript>--&gt;</noscript>"
+      }
+    },
+    {
+      "data": "<noscript><!--</noscript>X<noscript>--></noscript>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "comment": "</noscript>X<noscript>"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--</noscript>X<noscript>--></noscript></head><body></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>X<noscript>--&gt;</noscript>"
+      }
+    },
+    {
+      "data": "<noscript><iframe></noscript>X",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<iframe>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><iframe></noscript></head><body>X</body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;iframe&gt;</noscript>X"
+      }
+    },
+    {
+      "data": "<noscript><iframe></noscript>X",
+      "errors": [
+        " * (1,11) missing DOCTYPE",
+        " * (1,19) unexpected token in head noscript",
+        " * (1,31) unexpected EOF"
+      ],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true,
+            "iframe": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript"
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "</noscript>X",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript></noscript></head><body><iframe></noscript>X</iframe></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;iframe&gt;</noscript>X"
+      }
+    },
+    {
+      "data": "<noframes><!--<noframes></noframes>--></noframes>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,49): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noframes": true,
+            "body": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noframes",
+                    "children": [
+                      {
+                        "text": "<!--<noframes>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noframes><!--<noframes></noframes></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noframes><!--<noframes></noframes>--&gt;"
+      }
+    },
+    {
+      "data": "<noframes><body><script><!--...</script></body></noframes></html>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noframes": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noframes",
+                    "children": [
+                      {
+                        "text": "<body><script><!--...</script></body>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noframes><body><script><!--...</script></body></noframes></head><body></body></html>",
+        "noQuirksBodyHtml": "<noframes><body><script><!--...</script></body></noframes>"
+      }
+    },
+    {
+      "data": "<textarea><!--<textarea></textarea>--></textarea>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,49): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "<!--<textarea>",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>&lt;!--&lt;textarea&gt;</textarea>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;!--&lt;textarea&gt;</textarea>--&gt;"
+      }
+    },
+    {
+      "data": "<textarea>&lt;/textarea></textarea>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "</textarea>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>&lt;/textarea&gt;</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>&lt;/textarea&gt;</textarea>"
+      }
+    },
+    {
+      "data": "<iframe><!--<iframe></iframe>--></iframe>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,41): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "<!--<iframe>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><iframe><!--<iframe></iframe>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<iframe><!--<iframe></iframe>--&gt;"
+      }
+    },
+    {
+      "data": "<iframe>...<!--X->...<!--/X->...</iframe>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": "...<!--X->...<!--/X->...",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><iframe>...<!--X->...<!--/X->...</iframe></body></html>",
+        "noQuirksBodyHtml": "<iframe>...<!--X->...<!--/X->...</iframe>"
+      }
+    },
+    {
+      "data": "<xmp><!--<xmp></xmp>--></xmp>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,29): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xmp": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xmp",
+                    "children": [
+                      {
+                        "text": "<!--<xmp>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><xmp><!--<xmp></xmp>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<xmp><!--<xmp></xmp>--&gt;"
+      }
+    },
+    {
+      "data": "<noembed><!--<noembed></noembed>--></noembed>",
+      "errors": [
+        "(1,9): expected-doctype-but-got-start-tag",
+        "(1,45): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "noembed": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "noembed",
+                    "children": [
+                      {
+                        "text": "<!--<noembed>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><noembed><!--<noembed></noembed>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noembed><!--<noembed></noembed>--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><table>\n",
+      "errors": [
+        "(2,0): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "text": "\n"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table>\n</table></body></html>",
+        "noQuirksBodyHtml": "<table>\n</table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><td><span><font></span><span>",
+      "errors": [
+        "(1,26): unexpected-cell-in-table-body",
+        "(1,45): unexpected-end-tag",
+        "(1,51): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "span": true,
+            "font": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "span",
+                                    "children": [
+                                      {
+                                        "tag": "font"
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "font",
+                                    "children": [
+                                      {
+                                        "tag": "span"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><span><font></font></span><font><span></span></font></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><span><font></font></span><font><span></span></font></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><form><table></form><form></table></form>",
+      "errors": [
+        "(1,35): unexpected-end-tag-implies-table-voodoo",
+        "(1,35): unexpected-end-tag",
+        "(1,41): unexpected-form-in-table",
+        "(1,56): unexpected-end-tag",
+        "(1,56): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "table",
+                        "children": [
+                          {
+                            "tag": "form"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><table><form></form></table></form></body></html>",
+        "noQuirksBodyHtml": "<form><table><form></form></table></form>"
+      }
+    }
+  ],
+  "tests17.dat": [
+    {
+      "data": "<!doctype html><table><tbody><select><tr>",
+      "errors": [
+        "(1,37): unexpected-start-tag-implies-table-voodoo",
+        "(1,41): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,41): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<select></select><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr><select><td>",
+      "errors": [
+        "(1,34): unexpected-start-tag-implies-table-voodoo",
+        "(1,38): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<select></select><table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr><td><select><td>",
+      "errors": [
+        "(1,42): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,42): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "select"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><select></select></td><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><select></select></td><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr><th><select><td>",
+      "errors": [
+        "(1,42): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,42): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "th": true,
+            "select": true,
+            "td": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "th",
+                                "children": [
+                                  {
+                                    "tag": "select"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><th><select></select></th><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><th><select></select></th><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><caption><select><tr>",
+      "errors": [
+        "(1,43): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,43): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "select": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "select"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><select></select></caption><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><select></select></caption><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><tr>",
+      "errors": [
+        "(1,27): unexpected-start-tag-in-select",
+        "(1,27): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><td>",
+      "errors": [
+        "(1,27): unexpected-start-tag-in-select",
+        "(1,27): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><th>",
+      "errors": [
+        "(1,27): unexpected-start-tag-in-select",
+        "(1,27): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><tbody>",
+      "errors": [
+        "(1,30): unexpected-start-tag-in-select",
+        "(1,30): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><thead>",
+      "errors": [
+        "(1,30): unexpected-start-tag-in-select",
+        "(1,30): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><tfoot>",
+      "errors": [
+        "(1,30): unexpected-start-tag-in-select",
+        "(1,30): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><caption>",
+      "errors": [
+        "(1,32): unexpected-start-tag-in-select",
+        "(1,32): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr></table>a",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr></tr></tbody></table>a</body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr></tr></tbody></table>a"
+      }
+    }
+  ],
+  "tests18.dat": [
+    {
+      "data": "<!doctype html><plaintext></plaintext>",
+      "errors": [
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "text": "</plaintext>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><plaintext></plaintext></plaintext></body></html>",
+        "noQuirksBodyHtml": "<plaintext></plaintext></plaintext>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><plaintext></plaintext>",
+      "errors": [
+        "(1,33): foster-parenting-start-tag",
+        "(1,34): foster-parenting-character",
+        "(1,35): foster-parenting-character",
+        "(1,36): foster-parenting-character",
+        "(1,37): foster-parenting-character",
+        "(1,38): foster-parenting-character",
+        "(1,39): foster-parenting-character",
+        "(1,40): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,42): foster-parenting-character",
+        "(1,43): foster-parenting-character",
+        "(1,44): foster-parenting-character",
+        "(1,45): foster-parenting-character",
+        "(1,45): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true,
+            "table": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "text": "</plaintext>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><plaintext></plaintext></plaintext><table></table></body></html>",
+        "noQuirksBodyHtml": "<plaintext></plaintext></plaintext><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tbody><plaintext></plaintext>",
+      "errors": [
+        "(1,40): foster-parenting-start-tag",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,41): foster-parenting-character",
+        "(1,52): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true,
+            "table": true,
+            "tbody": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
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+                    "children": [
+                      {
+                        "text": "</plaintext>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
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+                      {
+                        "tag": "tbody"
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+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><plaintext></plaintext></plaintext><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<plaintext></plaintext></plaintext><table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tbody><tr><plaintext></plaintext>",
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+        "(1,45): foster-parenting-character",
+        "(1,46): foster-parenting-character",
+        "(1,47): foster-parenting-character",
+        "(1,48): foster-parenting-character",
+        "(1,49): foster-parenting-character",
+        "(1,50): foster-parenting-character",
+        "(1,51): foster-parenting-character",
+        "(1,52): foster-parenting-character",
+        "(1,53): foster-parenting-character",
+        "(1,54): foster-parenting-character",
+        "(1,55): foster-parenting-character",
+        "(1,56): foster-parenting-character",
+        "(1,56): eof-in-table"
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+                          {
+                            "tag": "tr"
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+      }
+    },
+    {
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+        "(1,49): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+                                        "no_escape": true
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+                    ]
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+        "noQuirksBodyHtml": "<table><tbody><tr><td><plaintext></plaintext></plaintext></td></tr></tbody></table>"
+      }
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+                        "tag": "caption",
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+              }
+            ]
+          }
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+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><plaintext></plaintext></plaintext></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><plaintext></plaintext></plaintext></caption></table>"
+      }
+    },
+    {
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+        "(1,52): foster-parenting-character",
+        "(1,53): foster-parenting-character",
+        "(1,53): eof-in-table"
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+                  {
+                    "tag": "table",
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+                      {
+                        "tag": "tbody",
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+                          {
+                            "tag": "tr",
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+                                  {
+                                    "text": "</script>",
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+                                ]
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+                            ]
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>abc<table><tbody><tr><style></script></style></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "abc<table><tbody><tr><style></script></style></tr></tbody></table>"
+      }
+    },
+    {
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+        "(1,53): foster-parenting-character",
+        "(1,54): foster-parenting-character",
+        "(1,54): eof-in-table"
+      ],
+      "document": {
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+                  {
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+                        "tag": "tbody",
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+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "script",
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+                                  {
+                                    "text": "</style>",
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+                      }
+                    ]
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+          }
+        ],
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+        "noQuirksBodyHtml": "abc<table><tbody><tr><script></style></script></tr></tbody></table>"
+      }
+    },
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+      ],
+      "document": {
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+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "style",
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+                              {
+                                "text": "</script>",
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+                              }
+                            ]
+                          },
+                          {
+                            "text": "abc"
+                          }
+                        ]
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+                    ]
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><style></script></style>abc</caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><style></script></style>abc</caption></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><td><style></script></style>abc",
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+        "(1,53): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+                                  {
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+                                        "text": "</script>",
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+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "text": "abc"
+                                  }
+                                ]
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+                            ]
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+                        ]
+                      }
+                    ]
+                  }
+                ]
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+            ]
+          }
+        ],
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+        "noQuirksBodyHtml": "<table><tbody><tr><td><style></script></style>abc</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><script></style></script>abc",
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+      ],
+      "document": {
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+              {
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+                      {
+                        "tag": "script",
+                        "children": [
+                          {
+                            "text": "</style>",
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+                      },
+                      {
+                        "text": "abc"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><script></style></script>abc</select></body></html>",
+        "noQuirksBodyHtml": "<select><script></style></script>abc</select>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><select><script></style></script>abc",
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+        "(1,58): eof-in-select"
+      ],
+      "document": {
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+                        "tag": "script",
+                        "children": [
+                          {
+                            "text": "</style>",
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+                          }
+                        ]
+                      },
+                      {
+                        "text": "abc"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><script></style></script>abc</select><table></table></body></html>",
+        "noQuirksBodyHtml": "<select><script></style></script>abc</select><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr><select><script></style></script>abc",
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+        "(1,62): eof-in-select"
+      ],
+      "document": {
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+        "noQuirksBodyHtml": "<select><script></style></script>abc</select><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
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+      "document": {
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+                ]
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+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset><noframes>abc</noframes></html>",
+        "noQuirksBodyHtml": "<noframes>abc</noframes>"
+      }
+    },
+    {
+      "data": "<!doctype html><frameset></frameset><noframes>abc</noframes><!--abc-->",
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+              {
+                "comment": "abc"
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+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset><noframes>abc</noframes><!--abc--></html>",
+        "noQuirksBodyHtml": "<noframes>abc</noframes><!--abc-->"
+      }
+    },
+    {
+      "data": "<!doctype html><frameset></frameset></html><noframes>abc",
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+      ],
+      "document": {
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+              {
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+                    "text": "abc",
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+                  }
+                ]
+              }
+            ]
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset><noframes>abc</noframes></html>",
+        "noQuirksBodyHtml": "<noframes>abc</noframes>"
+      }
+    },
+    {
+      "data": "<!doctype html><frameset></frameset></html><noframes>abc</noframes><!--abc-->",
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+            ]
+          },
+          {
+            "comment": "abc"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset><noframes>abc</noframes></html><!--abc-->",
+        "noQuirksBodyHtml": "<noframes>abc</noframes><!--abc-->"
+      }
+    },
+    {
+      "data": "<!doctype html><table><tr></tbody><tfoot>",
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+      ],
+      "document": {
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+                        "tag": "tfoot"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr></tr></tbody><tfoot></tfoot></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr></tr></tbody><tfoot></tfoot></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><td><svg></svg>abc<td>",
+      "errors": [
+        "(1,26): unexpected-cell-in-table-body",
+        "(1,44): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg"
+                                  },
+                                  {
+                                    "text": "abc"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><svg></svg>abc</td><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg></svg>abc</td><td></td></tr></tbody></table>"
+      }
+    }
+  ],
+  "tests19.dat": [
+    {
+      "data": "<!doctype html><math><mn DefinitionUrl=\"foo\">",
+      "errors": [
+        "(1,45): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mn": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mn",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "definitionURL",
+                            "value": "foo"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mn definitionURL=\"foo\"></mn></math></body></html>",
+        "noQuirksBodyHtml": "<math><mn definitionURL=\"foo\"></mn></math>"
+      }
+    },
+    {
+      "data": "<!doctype html><html></p><!--foo-->",
+      "errors": [
+        "(1,25): end-tag-after-implied-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "comment": "foo"
+              },
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><!--foo--><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<p></p><!--foo-->"
+      }
+    },
+    {
+      "data": "<!doctype html><head></head></p><!--foo-->",
+      "errors": [
+        "(1,32): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "comment": "foo"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><!--foo--><body></body></html>",
+        "noQuirksBodyHtml": "<p></p><!--foo-->"
+      }
+    },
+    {
+      "data": "<!doctype html><body><p><pre>",
+      "errors": [
+        "(1,29): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "pre": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "pre"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><pre></pre></body></html>",
+        "noQuirksBodyHtml": "<p></p><pre></pre>"
+      }
+    },
+    {
+      "data": "<!doctype html><body><p><listing>",
+      "errors": [
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "listing": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "listing"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><listing></listing></body></html>",
+        "noQuirksBodyHtml": "<p></p><listing></listing>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><plaintext>",
+      "errors": [
+        "(1,29): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "plaintext": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "plaintext"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><plaintext></plaintext></body></html>",
+        "noQuirksBodyHtml": "<p></p><plaintext></plaintext>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><h1>",
+      "errors": [
+        "(1,22): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "h1"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><h1></h1></body></html>",
+        "noQuirksBodyHtml": "<p></p><h1></h1>"
+      }
+    },
+    {
+      "data": "<!doctype html><form><isindex>",
+      "errors": [
+        "(1,30): deprecated-tag",
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form></form></body></html>",
+        "noQuirksBodyHtml": "<form></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><isindex action=\"POST\">",
+      "errors": [
+        "(1,38): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "attrs": [
+                      {
+                        "name": "action",
+                        "value": "POST"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "This is a searchable index. Enter search keywords: "
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form action=\"POST\"><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form action=\"POST\"><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><isindex prompt=\"this is isindex\">",
+      "errors": [
+        "(1,49): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "this is isindex"
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><hr><label>this is isindex<input name=\"isindex\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form><hr><label>this is isindex<input name=\"isindex\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><isindex type=\"hidden\">",
+      "errors": [
+        "(1,38): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "This is a searchable index. Enter search keywords: "
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              },
+                              {
+                                "name": "type",
+                                "value": "hidden"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\" type=\"hidden\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\" type=\"hidden\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><isindex name=\"foo\">",
+      "errors": [
+        "(1,35): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "This is a searchable index. Enter search keywords: "
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><ruby><p><rp>",
+      "errors": [
+        "(1,28): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ruby": true,
+            "p": true,
+            "rp": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ruby",
+                    "children": [
+                      {
+                        "tag": "p"
+                      },
+                      {
+                        "tag": "rp"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><ruby><p></p><rp></rp></ruby></body></html>",
+        "noQuirksBodyHtml": "<ruby><p></p><rp></rp></ruby>"
+      }
+    },
+    {
+      "data": "<!doctype html><ruby><div><span><rp>",
+      "errors": [
+        "(1,36): XXX-undefined-error",
+        "(1,36): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ruby": true,
+            "div": true,
+            "span": true,
+            "rp": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ruby",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "tag": "span",
+                            "children": [
+                              {
+                                "tag": "rp"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><ruby><div><span><rp></rp></span></div></ruby></body></html>",
+        "noQuirksBodyHtml": "<ruby><div><span><rp></rp></span></div></ruby>"
+      }
+    },
+    {
+      "data": "<!doctype html><ruby><div><p><rp>",
+      "errors": [
+        "(1,33): XXX-undefined-error",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ruby": true,
+            "div": true,
+            "p": true,
+            "rp": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ruby",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "tag": "p"
+                          },
+                          {
+                            "tag": "rp"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><ruby><div><p></p><rp></rp></div></ruby></body></html>",
+        "noQuirksBodyHtml": "<ruby><div><p></p><rp></rp></div></ruby>"
+      }
+    },
+    {
+      "data": "<!doctype html><ruby><p><rt>",
+      "errors": [
+        "(1,28): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ruby": true,
+            "p": true,
+            "rt": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ruby",
+                    "children": [
+                      {
+                        "tag": "p"
+                      },
+                      {
+                        "tag": "rt"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><ruby><p></p><rt></rt></ruby></body></html>",
+        "noQuirksBodyHtml": "<ruby><p></p><rt></rt></ruby>"
+      }
+    },
+    {
+      "data": "<!doctype html><ruby><div><span><rt>",
+      "errors": [
+        "(1,36): XXX-undefined-error",
+        "(1,36): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
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+        "html": "<!DOCTYPE html><html><head></head><body><dd><optgroup></optgroup></dd><dd></dd></body></html>",
+        "noQuirksBodyHtml": "<dd><optgroup></optgroup></dd><dd></dd>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><math><mi><p><h1>",
+      "errors": [
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math mi": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mi",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "tag": "h1"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><math><mi><p></p><h1></h1></mi></math></p></body></html>",
+        "noQuirksBodyHtml": "<p><math><mi><p></p><h1></h1></mi></math></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><math><mo><p><h1>",
+      "errors": [
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math mo": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mo",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "tag": "h1"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><math><mo><p></p><h1></h1></mo></math></p></body></html>",
+        "noQuirksBodyHtml": "<p><math><mo><p></p><h1></h1></mo></math></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><math><mn><p><h1>",
+      "errors": [
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math mn": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mn",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "tag": "h1"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><math><mn><p></p><h1></h1></mn></math></p></body></html>",
+        "noQuirksBodyHtml": "<p><math><mn><p></p><h1></h1></mn></math></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><math><ms><p><h1>",
+      "errors": [
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math ms": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "ms",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "tag": "h1"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><math><ms><p></p><h1></h1></ms></math></p></body></html>",
+        "noQuirksBodyHtml": "<p><math><ms><p></p><h1></h1></ms></math></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><math><mtext><p><h1>",
+      "errors": [
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "math math": true,
+            "math mtext": true,
+            "h1": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "math",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mtext",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "p"
+                              },
+                              {
+                                "tag": "h1"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><math><mtext><p></p><h1></h1></mtext></math></p></body></html>",
+        "noQuirksBodyHtml": "<p><math><mtext><p></p><h1></h1></mtext></math></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><frameset></noframes>",
+      "errors": [
+        "(1,36): unexpected-end-tag-in-frameset",
+        "(1,36): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!doctype html><html c=d><body></html><html a=b>",
+      "errors": [
+        "(1,48): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "a",
+                "value": "b"
+              },
+              {
+                "name": "c",
+                "value": "d"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html c=\"d\" a=\"b\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!doctype html><html c=d><frameset></frameset></html><html a=b>",
+      "errors": [
+        "(1,63): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "a",
+                "value": "b"
+              },
+              {
+                "name": "c",
+                "value": "d"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html c=\"d\" a=\"b\"><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!doctype html><html><frameset></frameset></html><!--foo-->",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          },
+          {
+            "comment": "foo"
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html><!--foo-->",
+        "noQuirksBodyHtml": "<!--foo-->"
+      }
+    },
+    {
+      "data": "<!doctype html><html><frameset></frameset></html>  ",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "  "
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset>  </html>",
+        "noQuirksBodyHtml": "  "
+      }
+    },
+    {
+      "data": "<!doctype html><html><frameset></frameset></html>abc",
+      "errors": [
+        "(1,50): expected-eof-but-got-char",
+        "(1,51): expected-eof-but-got-char",
+        "(1,52): expected-eof-but-got-char"
+      ],
+      "document": {
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+            "head": true,
+            "frameset": true
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+          "doctype": true
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+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "abc"
+      }
+    },
+    {
+      "data": "<!doctype html><html><frameset></frameset></html><p>",
+      "errors": [
+        "(1,52): expected-eof-but-got-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "frameset": true
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+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<p></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><html><frameset></frameset></html></p>",
+      "errors": [
+        "(1,53): expected-eof-but-got-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<p></p>"
+      }
+    },
+    {
+      "data": "<html><frameset></frameset></html><!doctype html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,49): unexpected-doctype"
+      ],
+      "document": {
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+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
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+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!doctype html><body><frameset>",
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+        "(1,31): unexpected-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!doctype html><p><frameset><frame>",
+      "errors": [
+        "(1,28): unexpected-start-tag",
+        "(1,35): eof-in-frameset"
+      ],
+      "document": {
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+            "frameset": true,
+            "frame": true
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+              {
+                "tag": "head"
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+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<p></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p>a<frameset>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "p": true
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+        "tree": [
+          {
+            "doctype": "html"
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+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "a"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p>a</p></body></html>",
+        "noQuirksBodyHtml": "<p>a</p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p> <frameset><frame>",
+      "errors": [
+        "(1,29): unexpected-start-tag",
+        "(1,36): eof-in-frameset"
+      ],
+      "document": {
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+            "head": true,
+            "frameset": true,
+            "frame": true
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+          "doctype": true
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+        "tree": [
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+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<p> </p>"
+      }
+    },
+    {
+      "data": "<!doctype html><pre><frameset>",
+      "errors": [
+        "(1,30): unexpected-start-tag",
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "pre": true
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+          "doctype": true
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+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre></pre></body></html>",
+        "noQuirksBodyHtml": "<pre></pre>"
+      }
+    },
+    {
+      "data": "<!doctype html><listing><frameset>",
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+        "(1,34): unexpected-start-tag",
+        "(1,34): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+            "html": true,
+            "head": true,
+            "body": true,
+            "listing": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "listing"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><listing></listing></body></html>",
+        "noQuirksBodyHtml": "<listing></listing>"
+      }
+    },
+    {
+      "data": "<!doctype html><li><frameset>",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "li": true
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+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "li"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><li></li></body></html>",
+        "noQuirksBodyHtml": "<li></li>"
+      }
+    },
+    {
+      "data": "<!doctype html><dd><frameset>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dd": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dd"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><dd></dd></body></html>",
+        "noQuirksBodyHtml": "<dd></dd>"
+      }
+    },
+    {
+      "data": "<!doctype html><dt><frameset>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dt": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dt"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><dt></dt></body></html>",
+        "noQuirksBodyHtml": "<dt></dt>"
+      }
+    },
+    {
+      "data": "<!doctype html><button><frameset>",
+      "errors": [
+        "(1,33): unexpected-start-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "button": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "button"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><button></button></body></html>",
+        "noQuirksBodyHtml": "<button></button>"
+      }
+    },
+    {
+      "data": "<!doctype html><applet><frameset>",
+      "errors": [
+        "(1,33): unexpected-start-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "applet": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "applet"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><applet></applet></body></html>",
+        "noQuirksBodyHtml": "<applet></applet>"
+      }
+    },
+    {
+      "data": "<!doctype html><marquee><frameset>",
+      "errors": [
+        "(1,34): unexpected-start-tag",
+        "(1,34): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "marquee": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "marquee"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><marquee></marquee></body></html>",
+        "noQuirksBodyHtml": "<marquee></marquee>"
+      }
+    },
+    {
+      "data": "<!doctype html><object><frameset>",
+      "errors": [
+        "(1,33): unexpected-start-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "object": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "object"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><object></object></body></html>",
+        "noQuirksBodyHtml": "<object></object>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><frameset>",
+      "errors": [
+        "(1,32): unexpected-start-tag-implies-table-voodoo",
+        "(1,32): unexpected-start-tag",
+        "(1,32): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table></table></body></html>",
+        "noQuirksBodyHtml": "<table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><area><frameset>",
+      "errors": [
+        "(1,31): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "area": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "area"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><area></body></html>",
+        "noQuirksBodyHtml": "<area>"
+      }
+    },
+    {
+      "data": "<!doctype html><basefont><frameset>",
+      "errors": [
+        "(1,35): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "basefont": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "basefont"
+                  }
+                ]
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><basefont></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<basefont>"
+      }
+    },
+    {
+      "data": "<!doctype html><bgsound><frameset>",
+      "errors": [
+        "(1,34): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "bgsound": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "bgsound"
+                  }
+                ]
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><bgsound></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<bgsound>"
+      }
+    },
+    {
+      "data": "<!doctype html><br><frameset>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><br></body></html>",
+        "noQuirksBodyHtml": "<br>"
+      }
+    },
+    {
+      "data": "<!doctype html><embed><frameset>",
+      "errors": [
+        "(1,32): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "embed": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "embed"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><embed></body></html>",
+        "noQuirksBodyHtml": "<embed>"
+      }
+    },
+    {
+      "data": "<!doctype html><img><frameset>",
+      "errors": [
+        "(1,30): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "img": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "img"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><img></body></html>",
+        "noQuirksBodyHtml": "<img>"
+      }
+    },
+    {
+      "data": "<!doctype html><input><frameset>",
+      "errors": [
+        "(1,32): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><input></body></html>",
+        "noQuirksBodyHtml": "<input>"
+      }
+    },
+    {
+      "data": "<!doctype html><keygen><frameset>",
+      "errors": [
+        "(1,33): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "keygen": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "keygen"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><keygen></body></html>",
+        "noQuirksBodyHtml": "<keygen>"
+      }
+    },
+    {
+      "data": "<!doctype html><wbr><frameset>",
+      "errors": [
+        "(1,30): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "wbr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "wbr"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><wbr></body></html>",
+        "noQuirksBodyHtml": "<wbr>"
+      }
+    },
+    {
+      "data": "<!doctype html><hr><frameset>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "hr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "hr"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><hr></body></html>",
+        "noQuirksBodyHtml": "<hr>"
+      }
+    },
+    {
+      "data": "<!doctype html><textarea></textarea><frameset>",
+      "errors": [
+        "(1,46): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea></textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea></textarea>"
+      }
+    },
+    {
+      "data": "<!doctype html><xmp></xmp><frameset>",
+      "errors": [
+        "(1,36): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xmp": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xmp"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><xmp></xmp></body></html>",
+        "noQuirksBodyHtml": "<xmp></xmp>"
+      }
+    },
+    {
+      "data": "<!doctype html><iframe></iframe><frameset>",
+      "errors": [
+        "(1,42): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><iframe></iframe></body></html>",
+        "noQuirksBodyHtml": "<iframe></iframe>"
+      }
+    },
+    {
+      "data": "<!doctype html><select></select><frameset>",
+      "errors": [
+        "(1,42): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg></svg><frameset><frame>",
+      "errors": [
+        "(1,36): unexpected-start-tag",
+        "(1,43): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "frame": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<!doctype html><math></math><frameset><frame>",
+      "errors": [
+        "(1,38): unexpected-start-tag",
+        "(1,45): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "frame": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<math></math>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg><foreignObject><div> <frameset><frame>",
+      "errors": [
+        "(1,51): unexpected-start-tag",
+        "(1,58): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "frame": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "tag": "frame"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset><frame></frameset></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject><div> </div></foreignObject></svg>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg>a</svg><frameset><frame>",
+      "errors": [
+        "(1,37): unexpected-start-tag",
+        "(1,44): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><i>a<b>b</b></i><b></b><div><b><i>c<a>d</a></i><a>e</a></b><a>f</a></div></body></html>",
+        "noQuirksBodyHtml": "<i>a<b>b</b></i><b></b><div><b><i>c<a>d</a></i><a>e</a></b><a>f</a></div>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><i>a<b>b<div>c</i>",
+      "errors": [
+        "(1,25): foster-parenting-start-tag",
+        "(1,26): foster-parenting-character",
+        "(1,29): foster-parenting-start-tag",
+        "(1,30): foster-parenting-character",
+        "(1,35): foster-parenting-start-tag",
+        "(1,36): foster-parenting-character",
+        "(1,40): foster-parenting-end-tag",
+        "(1,40): adoption-agency-1.3",
+        "(1,40): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "i": true,
+            "b": true,
+            "div": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": "a"
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "c"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><i>a<b>b</b></i><b><div><i>c</i></div></b><table></table></body></html>",
+        "noQuirksBodyHtml": "<i>a<b>b</b></i><b><div><i>c</i></div></b><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><i>a<b>b<div>c<a>d</i>e</b>f",
+      "errors": [
+        "(1,25): foster-parenting-start-tag",
+        "(1,26): foster-parenting-character",
+        "(1,29): foster-parenting-start-tag",
+        "(1,30): foster-parenting-character",
+        "(1,35): foster-parenting-start-tag",
+        "(1,36): foster-parenting-character",
+        "(1,39): foster-parenting-start-tag",
+        "(1,40): foster-parenting-character",
+        "(1,44): foster-parenting-end-tag",
+        "(1,44): adoption-agency-1.3",
+        "(1,44): adoption-agency-1.3",
+        "(1,45): foster-parenting-character",
+        "(1,49): foster-parenting-end-tag",
+        "(1,44): adoption-agency-1.3",
+        "(1,44): adoption-agency-1.3",
+        "(1,50): foster-parenting-character",
+        "(1,50): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "i": true,
+            "b": true,
+            "div": true,
+            "a": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": "a"
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "c"
+                              },
+                              {
+                                "tag": "a",
+                                "children": [
+                                  {
+                                    "text": "d"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "a",
+                            "children": [
+                              {
+                                "text": "e"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "f"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><i>a<b>b</b></i><b></b><div><b><i>c<a>d</a></i><a>e</a></b><a>f</a></div><table></table></body></html>",
+        "noQuirksBodyHtml": "<i>a<b>b</b></i><b></b><div><b><i>c<a>d</a></i><a>e</a></b><a>f</a></div><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><i>a<div>b<tr>c<b>d</i>e",
+      "errors": [
+        "(1,25): foster-parenting-start-tag",
+        "(1,26): foster-parenting-character",
+        "(1,31): foster-parenting-start-tag",
+        "(1,32): foster-parenting-character",
+        "(1,37): foster-parenting-character",
+        "(1,40): foster-parenting-start-tag",
+        "(1,41): foster-parenting-character",
+        "(1,45): foster-parenting-end-tag",
+        "(1,45): adoption-agency-1.3",
+        "(1,46): foster-parenting-character",
+        "(1,46): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "i": true,
+            "div": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": "a"
+                      },
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "text": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": "c"
+                      },
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "d"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "e"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><i>a<div>b</div></i><i>c<b>d</b></i><b>e</b><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<i>a<div>b</div></i><i>c<b>d</b></i><b>e</b><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><td><table><i>a<div>b<b>c</i>d",
+      "errors": [
+        "(1,26): unexpected-cell-in-table-body",
+        "(1,36): foster-parenting-start-tag",
+        "(1,37): foster-parenting-character",
+        "(1,42): foster-parenting-start-tag",
+        "(1,43): foster-parenting-character",
+        "(1,46): foster-parenting-start-tag",
+        "(1,47): foster-parenting-character",
+        "(1,51): foster-parenting-end-tag",
+        "(1,51): adoption-agency-1.3",
+        "(1,51): adoption-agency-1.3",
+        "(1,52): foster-parenting-character",
+        "(1,52): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true,
+            "div": true,
+            "b": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "i",
+                                    "children": [
+                                      {
+                                        "text": "a"
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "div",
+                                    "children": [
+                                      {
+                                        "tag": "i",
+                                        "children": [
+                                          {
+                                            "text": "b"
+                                          },
+                                          {
+                                            "tag": "b",
+                                            "children": [
+                                              {
+                                                "text": "c"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "b",
+                                        "children": [
+                                          {
+                                            "text": "d"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "table"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><i>a</i><div><i>b<b>c</b></i><b>d</b></div><table></table></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><i>a</i><div><i>b<b>c</b></i><b>d</b></div><table></table></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><body><bgsound>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "bgsound": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "bgsound"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><bgsound></body></html>",
+        "noQuirksBodyHtml": "<bgsound>"
+      }
+    },
+    {
+      "data": "<!doctype html><body><basefont>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "basefont": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "basefont"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><basefont></body></html>",
+        "noQuirksBodyHtml": "<basefont>"
+      }
+    },
+    {
+      "data": "<!doctype html><a><b></a><basefont>",
+      "errors": [
+        "(1,25): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "basefont": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "basefont"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><a><b></b></a><basefont></body></html>",
+        "noQuirksBodyHtml": "<a><b></b></a><basefont>"
+      }
+    },
+    {
+      "data": "<!doctype html><a><b></a><bgsound>",
+      "errors": [
+        "(1,25): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "bgsound": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "bgsound"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><a><b></b></a><bgsound></body></html>",
+        "noQuirksBodyHtml": "<a><b></b></a><bgsound>"
+      }
+    },
+    {
+      "data": "<!doctype html><figcaption><article></figcaption>a",
+      "errors": [
+        "(1,49): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "figcaption": true,
+            "article": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "figcaption",
+                    "children": [
+                      {
+                        "tag": "article"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><figcaption><article></article></figcaption>a</body></html>",
+        "noQuirksBodyHtml": "<figcaption><article></article></figcaption>a"
+      }
+    },
+    {
+      "data": "<!doctype html><summary><article></summary>a",
+      "errors": [
+        "(1,43): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "summary": true,
+            "article": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "summary",
+                    "children": [
+                      {
+                        "tag": "article"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><summary><article></article></summary>a</body></html>",
+        "noQuirksBodyHtml": "<summary><article></article></summary>a"
+      }
+    },
+    {
+      "data": "<!doctype html><p><a><plaintext>b",
+      "errors": [
+        "(1,32): unexpected-end-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "a": true,
+            "plaintext": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><a></a></p><plaintext><a>b</a></plaintext></body></html>",
+        "noQuirksBodyHtml": "<p><a></a></p><plaintext><a>b</a></plaintext>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><div>a<a></div>b<p>c</p>d",
+      "errors": [
+        "(1,30): end-tag-too-early",
+        "(1,40): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "a": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "a"
+                      },
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "text": "b"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "text": "c"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "d"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><div>a<a></a></div><a>b<p>c</p>d</a></body></html>",
+        "noQuirksBodyHtml": "<div>a<a></a></div><a>b<p>c</p>d</a>"
+      }
+    }
+  ],
+  "tests2.dat": [
+    {
+      "data": "<!DOCTYPE html>Test",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "Test"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>Test</body></html>",
+        "noQuirksBodyHtml": "Test"
+      }
+    },
+    {
+      "data": "<textarea>test</div>test",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,24): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "test</div>test",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>test&lt;/div&gt;test</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>test&lt;/div&gt;test</textarea>"
+      }
+    },
+    {
+      "data": "<table><td>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body",
+        "(1,11): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td>test</tbody></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "test"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>test</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>test</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<frame>test",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,7): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "test"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>test</body></html>",
+        "noQuirksBodyHtml": "test"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset>test",
+      "errors": [
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "test"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset> te st",
+      "errors": [
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): unexpected-char-in-frameset",
+        "(1,29): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset",
+                "children": [
+                  {
+                    "text": "  "
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset>  </frameset></html>",
+        "noQuirksBodyHtml": " te st"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset></frameset> te st",
+      "errors": [
+        "(1,29): unexpected-char-after-frameset",
+        "(1,29): unexpected-char-after-frameset",
+        "(1,29): unexpected-char-after-frameset",
+        "(1,29): unexpected-char-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "  "
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset>  </html>",
+        "noQuirksBodyHtml": " te st"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset><!DOCTYPE html>",
+      "errors": [
+        "(1,40): unexpected-doctype",
+        "(1,40): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><font><p><b>test</font>",
+      "errors": [
+        "(1,38): adoption-agency-1.3",
+        "(1,38): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "font": true,
+            "p": true,
+            "b": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
+                                "text": "test"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><font></font><p><font><b>test</b></font></p></body></html>",
+        "noQuirksBodyHtml": "<font></font><p><font><b>test</b></font></p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><dt><div><dd>",
+      "errors": [
+        "(1,28): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "dt": true,
+            "div": true,
+            "dd": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "dt",
+                    "children": [
+                      {
+                        "tag": "div"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "dd"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><dt><div></div></dt><dd></dd></body></html>",
+        "noQuirksBodyHtml": "<dt><div></div></dt><dd></dd>"
+      }
+    },
+    {
+      "data": "<script></x",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,11): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "</x",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></x</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></x</script>"
+      }
+    },
+    {
+      "data": "<table><plaintext><td>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,18): unexpected-start-tag-implies-table-voodoo",
+        "(1,22): foster-parenting-character-in-table",
+        "(1,22): foster-parenting-character-in-table",
+        "(1,22): foster-parenting-character-in-table",
+        "(1,22): foster-parenting-character-in-table",
+        "(1,22): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true,
+            "table": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "text": "<td>",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><plaintext><td></plaintext><table></table></body></html>",
+        "noQuirksBodyHtml": "<plaintext><td></plaintext><table></table>"
+      }
+    },
+    {
+      "data": "<plaintext></plaintext>",
+      "errors": [
+        "(1,11): expected-doctype-but-got-start-tag",
+        "(1,23): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "text": "</plaintext>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><plaintext></plaintext></plaintext></body></html>",
+        "noQuirksBodyHtml": "<plaintext></plaintext></plaintext>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><table><tr>TEST",
+      "errors": [
+        "(1,30): foster-parenting-character-in-table",
+        "(1,30): foster-parenting-character-in-table",
+        "(1,30): foster-parenting-character-in-table",
+        "(1,30): foster-parenting-character-in-table",
+        "(1,30): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "TEST"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>TEST<table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "TEST<table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body t1=1><body t2=2><body t3=3 t4=4>",
+      "errors": [
+        "(1,37): unexpected-start-tag",
+        "(1,53): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "t1",
+                    "value": "1"
+                  },
+                  {
+                    "name": "t2",
+                    "value": "2"
+                  },
+                  {
+                    "name": "t3",
+                    "value": "3"
+                  },
+                  {
+                    "name": "t4",
+                    "value": "4"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body t1=\"1\" t2=\"2\" t3=\"3\" t4=\"4\"></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</b test",
+      "errors": [
+        "(1,8): eof-in-attribute-name",
+        "(1,8): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html></b test<b &=&amp>X",
+      "errors": [
+        "(1,24): invalid-character-in-attribute-name",
+        "(1,32): named-entity-without-semicolon",
+        "(1,33): attributes-in-end-tag",
+        "(1,33): unexpected-end-tag-before-html"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X</body></html>",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<!doctypehtml><scrIPt type=text/x-foobar;baz>X</SCRipt",
+      "errors": [
+        "(1,9): need-space-after-doctype",
+        "(1,54): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "text/x-foobar;baz"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "X</SCRipt",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script type=\"text/x-foobar;baz\">X</SCRipt</script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script type=\"text/x-foobar;baz\">X</SCRipt</script>"
+      }
+    },
+    {
+      "data": "&",
+      "errors": [
+        "(1,1): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;</body></html>",
+        "noQuirksBodyHtml": "&amp;"
+      }
+    },
+    {
+      "data": "&#",
+      "errors": [
+        "(1,2): expected-numeric-entity",
+        "(1,2): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&#",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;#</body></html>",
+        "noQuirksBodyHtml": "&amp;#"
+      }
+    },
+    {
+      "data": "&#X",
+      "errors": [
+        "(1,3): expected-numeric-entity",
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&#X",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;#X</body></html>",
+        "noQuirksBodyHtml": "&amp;#X"
+      }
+    },
+    {
+      "data": "&#x",
+      "errors": [
+        "(1,3): expected-numeric-entity",
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&#x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;#x</body></html>",
+        "noQuirksBodyHtml": "&amp;#x"
+      }
+    },
+    {
+      "data": "&#45",
+      "errors": [
+        "(1,4): numeric-entity-without-semicolon",
+        "(1,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>-</body></html>",
+        "noQuirksBodyHtml": "-"
+      }
+    },
+    {
+      "data": "&x-test",
+      "errors": [
+        "(1,2): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&x-test",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;x-test</body></html>",
+        "noQuirksBodyHtml": "&amp;x-test"
+      }
+    },
+    {
+      "data": "<!doctypehtml><p><li>",
+      "errors": [
+        "(1,9): need-space-after-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "li": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "li"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><li></li></body></html>",
+        "noQuirksBodyHtml": "<p></p><li></li>"
+      }
+    },
+    {
+      "data": "<!doctypehtml><p><dt>",
+      "errors": [
+        "(1,9): need-space-after-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "dt": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "dt"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><dt></dt></body></html>",
+        "noQuirksBodyHtml": "<p></p><dt></dt>"
+      }
+    },
+    {
+      "data": "<!doctypehtml><p><dd>",
+      "errors": [
+        "(1,9): need-space-after-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "dd": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "dd"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><dd></dd></body></html>",
+        "noQuirksBodyHtml": "<p></p><dd></dd>"
+      }
+    },
+    {
+      "data": "<!doctypehtml><p><form>",
+      "errors": [
+        "(1,9): need-space-after-doctype",
+        "(1,23): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "form": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "form"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><form></form></body></html>",
+        "noQuirksBodyHtml": "<p></p><form></form>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><p></P>X",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p>X</body></html>",
+        "noQuirksBodyHtml": "<p></p>X"
+      }
+    },
+    {
+      "data": "&AMP",
+      "errors": [
+        "(1,4): named-entity-without-semicolon",
+        "(1,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;</body></html>",
+        "noQuirksBodyHtml": "&amp;"
+      }
+    },
+    {
+      "data": "&AMp;",
+      "errors": [
+        "(1,3): expected-named-entity",
+        "(1,3): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "&AMp;",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&amp;AMp;</body></html>",
+        "noQuirksBodyHtml": "&amp;AMp;"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><thisISasillyTESTelementNameToMakeSureCrazyTagNamesArePARSEDcorrectLY>",
+      "errors": [
+        "(1,110): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly></thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly></body></html>",
+        "noQuirksBodyHtml": "<thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly></thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X</body>X",
+      "errors": [
+        "(1,24): unexpected-char-after-body"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "XX"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>XX</body></html>",
+        "noQuirksBodyHtml": "XX"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!-- X",
+      "errors": [
+        "(1,21): eof-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "comment": " X"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><!-- X--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- X-->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><table><caption>test TEST</caption><td>test",
+      "errors": [
+        "(1,54): unexpected-cell-in-table-body",
+        "(1,58): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "text": "test TEST"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "test"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption>test TEST</caption><tbody><tr><td>test</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption>test TEST</caption><tbody><tr><td>test</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><select><option><optgroup>",
+      "errors": [
+        "(1,41): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true,
+            "optgroup": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      },
+                      {
+                        "tag": "optgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><option></option><optgroup></optgroup></select></body></html>",
+        "noQuirksBodyHtml": "<select><option></option><optgroup></optgroup></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>",
+      "errors": [
+        "(1,68): unexpected-select-in-select",
+        "(1,76): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "optgroup": true,
+            "option": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "optgroup",
+                        "children": [
+                          {
+                            "tag": "option"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "option"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "option"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><optgroup><option></option></optgroup><option></option></select><option></option></body></html>",
+        "noQuirksBodyHtml": "<select><optgroup><option></option></optgroup><option></option></select><option></option>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><select><optgroup><option><optgroup>",
+      "errors": [
+        "(1,51): eof-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "optgroup": true,
+            "option": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "optgroup",
+                        "children": [
+                          {
+                            "tag": "option"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "optgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><optgroup><option></option></optgroup><optgroup></optgroup></select></body></html>",
+        "noQuirksBodyHtml": "<select><optgroup><option></option></optgroup><optgroup></optgroup></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><datalist><option>foo</datalist>bar",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "datalist": true,
+            "option": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "datalist",
+                    "children": [
+                      {
+                        "tag": "option",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "text": "bar"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><datalist><option>foo</option></datalist>bar</body></html>",
+        "noQuirksBodyHtml": "<datalist><option>foo</option></datalist>bar"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><font><input><input></font>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "font": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font",
+                    "children": [
+                      {
+                        "tag": "input"
+                      },
+                      {
+                        "tag": "input"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><font><input><input></font></body></html>",
+        "noQuirksBodyHtml": "<font><input><input></font>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!-- XXX - XXX -->",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "comment": " XXX - XXX "
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><!-- XXX - XXX --><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- XXX - XXX -->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!-- XXX - XXX",
+      "errors": [
+        "(1,29): eof-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "comment": " XXX - XXX"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><!-- XXX - XXX--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- XXX - XXX-->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!-- XXX - XXX - XXX -->",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "comment": " XXX - XXX - XXX "
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><!-- XXX - XXX - XXX --><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- XXX - XXX - XXX -->"
+      }
+    },
+    {
+      "data": "<isindex test=x name=x>",
+      "errors": [
+        "(1,23): expected-doctype-but-got-start-tag",
+        "(1,23): deprecated-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "hr"
+                      },
+                      {
+                        "tag": "label",
+                        "children": [
+                          {
+                            "text": "This is a searchable index. Enter search keywords: "
+                          },
+                          {
+                            "tag": "input",
+                            "attrs": [
+                              {
+                                "name": "name",
+                                "value": "isindex"
+                              },
+                              {
+                                "name": "test",
+                                "value": "x"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "hr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\" test=\"x\"></label><hr></form></body></html>",
+        "noQuirksBodyHtml": "<form><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\" test=\"x\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "test\ntest",
+      "errors": [
+        "(2,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "test\ntest"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>test\ntest</body></html>",
+        "noQuirksBodyHtml": "test\ntest"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><title>test</body></title>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "title": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "test</body>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><title>test&lt;/body&gt;</title></body></html>",
+        "noQuirksBodyHtml": "<title>test&lt;/body&gt;</title>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><title>X</title><meta name=z><link rel=foo><style>\nx { content:\"</style\" } </style>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "title": true,
+            "meta": true,
+            "link": true,
+            "style": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "meta",
+                    "attrs": [
+                      {
+                        "name": "name",
+                        "value": "z"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "link",
+                    "attrs": [
+                      {
+                        "name": "rel",
+                        "value": "foo"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": "\nx { content:\"</style\" } ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><title>X</title><meta name=\"z\"><link rel=\"foo\"><style>\nx { content:\"</style\" } </style></body></html>",
+        "noQuirksBodyHtml": "<title>X</title><meta name=\"z\"><link rel=\"foo\"><style>\nx { content:\"</style\" } </style>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><select><optgroup></optgroup></select>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "optgroup": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "optgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><optgroup></optgroup></select></body></html>",
+        "noQuirksBodyHtml": "<select><optgroup></optgroup></select>"
+      }
+    },
+    {
+      "data": " \n ",
+      "errors": [
+        "(2,1): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": " \n "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>  <html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "  "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><script>\n</script>  <title>x</title>  </head>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "\n",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "  "
+                  },
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "x"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "  "
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><script>\n</script>  <title>x</title>  </head><body></body></html>",
+        "noQuirksBodyHtml": "<script>\n</script>  <title>x</title>  "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><body><html id=x>",
+      "errors": [
+        "(1,38): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "id",
+                "value": "x"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html id=\"x\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X</body><html id=\"x\">",
+      "errors": [
+        "(1,36): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "id",
+                "value": "x"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html id=\"x\"><head></head><body>X</body></html>",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><head><html id=x>",
+      "errors": [
+        "(1,32): non-html-root"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "attrs": [
+              {
+                "name": "id",
+                "value": "x"
+              }
+            ],
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html id=\"x\"><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X</html>X",
+      "errors": [
+        "(1,24): expected-eof-but-got-char"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "XX"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>XX</body></html>",
+        "noQuirksBodyHtml": "XX"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X</html> ",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X "
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X </body></html>",
+        "noQuirksBodyHtml": "X "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X</html><p>X",
+      "errors": [
+        "(1,26): expected-eof-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X<p>X</p></body></html>",
+        "noQuirksBodyHtml": "X<p>X</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>X<p/x/y/z>",
+      "errors": [
+        "(1,19): unexpected-character-after-solidus-in-tag",
+        "(1,21): unexpected-character-after-solidus-in-tag",
+        "(1,23): unexpected-character-after-solidus-in-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "p",
+                    "attrs": [
+                      {
+                        "name": "x",
+                        "value": ""
+                      },
+                      {
+                        "name": "y",
+                        "value": ""
+                      },
+                      {
+                        "name": "z",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X<p x=\"\" y=\"\" z=\"\"></p></body></html>",
+        "noQuirksBodyHtml": "X<p x=\"\" y=\"\" z=\"\"></p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><!--x--",
+      "errors": [
+        "(1,22): eof-in-comment-double-dash"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "comment": "x"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><!--x--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!--x-->"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><table><tr><td></p></table>",
+      "errors": [
+        "(1,34): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "p"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><p></p></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><p></p></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE <!DOCTYPE HTML>><!--<!--x-->-->",
+      "errors": [
+        "(1,20): expected-space-or-right-bracket-in-doctype",
+        "(1,25): unknown-doctype",
+        "(1,35): unexpected-char-in-comment"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "<!doctype"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": ">",
+                    "escaped": true
+                  },
+                  {
+                    "comment": "<!--x"
+                  },
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE <!doctype><html><head></head><body>&gt;<!--<!--x-->--&gt;</body></html>",
+        "noQuirksBodyHtml": "&gt;<!--<!--x-->--&gt;"
+      }
+    },
+    {
+      "data": "<!doctype html><div><form></form><div></div></div>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "form": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "form"
+                      },
+                      {
+                        "tag": "div"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><div><form></form><div></div></div></body></html>",
+        "noQuirksBodyHtml": "<div><form></form><div></div></div>"
+      }
+    }
+  ],
+  "tests20.dat": [
+    {
+      "data": "<!doctype html><p><button><button>",
+      "errors": [
+        "(1,34): unexpected-start-tag-implies-end-tag",
+        "(1,34): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "button": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "button"
+                      },
+                      {
+                        "tag": "button"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button></button><button></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button></button><button></button></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><button><address>",
+      "errors": [
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "button": true,
+            "address": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
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+                        "tag": "button",
+                        "children": [
+                          {
+                            "tag": "address"
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+                    ]
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+                ]
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+            ]
+          }
+        ],
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+        "noQuirksBodyHtml": "<p><button><address></address></button></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><button><blockquote>",
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+                        "tag": "button",
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+                          {
+                            "tag": "blockquote"
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+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><blockquote></blockquote></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><blockquote></blockquote></button></p>"
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+    },
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+                        "tag": "button",
+                        "children": [
+                          {
+                            "tag": "menu"
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+        "noQuirksBodyHtml": "<p><button><menu></menu></button></p>"
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+                        "tag": "button",
+                        "children": [
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+                            "tag": "p"
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+        "noQuirksBodyHtml": "<p><button><p></p></button></p>"
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+                        "tag": "button",
+                        "children": [
+                          {
+                            "tag": "ul"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><ul></ul></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><ul></ul></button></p>"
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+                        "tag": "button",
+                        "children": [
+                          {
+                            "tag": "h1"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><h1></h1></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><h1></h1></button></p>"
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+                        "tag": "button",
+                        "children": [
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+                            "tag": "h6"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><h6></h6></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><h6></h6></button></p>"
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+    },
+    {
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+                        "tag": "button",
+                        "children": [
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+                            "tag": "listing"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><listing></listing></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><listing></listing></button></p>"
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+                            "tag": "pre"
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+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><button><pre></pre></button></p></body></html>",
+        "noQuirksBodyHtml": "<p><button><pre></pre></button></p>"
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+                        "children": [
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+                            "tag": "li"
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+        "noQuirksBodyHtml": "<p><button><dt></dt></button></p>"
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+                        "tag": "button",
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+        "noQuirksBodyHtml": "<p><button><plaintext></plaintext></button></p>"
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+    },
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+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "address",
+                    "children": [
+                      {
+                        "tag": "button"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "a"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><address><button></button></address>a</body></html>",
+        "noQuirksBodyHtml": "<address><button></button></address>a"
+      }
+    },
+    {
+      "data": "<p><table></p>",
+      "errors": [
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+        "(1,14): unexpected-end-tag-implies-table-voodoo",
+        "(1,14): unexpected-end-tag",
+        "(1,14): eof-in-table"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "p": true,
+            "table": true
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+        },
+        "tree": [
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+              {
+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "p"
+                      },
+                      {
+                        "tag": "table"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><p></p><table></table></p></body></html>",
+        "noQuirksBodyHtml": "<p></p><p></p><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg>",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "svg svg": true
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+          "doctype": true
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+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><figcaption>",
+      "errors": [
+        "(1,30): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
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+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "figcaption": true
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+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "figcaption"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><figcaption></figcaption></body></html>",
+        "noQuirksBodyHtml": "<p></p><figcaption></figcaption>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><summary>",
+      "errors": [
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+          "tags": {
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+            "head": true,
+            "body": true,
+            "p": true,
+            "summary": true
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+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "summary"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><summary></summary></body></html>",
+        "noQuirksBodyHtml": "<p></p><summary></summary>"
+      }
+    },
+    {
+      "data": "<!doctype html><form><table><form>",
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+        "(1,34): eof-in-table"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "form": true,
+            "table": true
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+          "doctype": true
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+        "tree": [
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+            "doctype": "html"
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+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "table"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><table></table></form></body></html>",
+        "noQuirksBodyHtml": "<form><table></table></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><form><form>",
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+        "(1,34): unexpected-form-in-table",
+        "(1,34): eof-in-table"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "form": true
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+          "doctype": true
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+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "form"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><form></form></table></body></html>",
+        "noQuirksBodyHtml": "<table><form></form></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><form></table><form>",
+      "errors": [
+        "(1,28): unexpected-form-in-table",
+        "(1,42): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "form": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "form"
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+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><form></form></table></body></html>",
+        "noQuirksBodyHtml": "<table><form></form></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg><foreignObject><p>",
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+      ],
+      "document": {
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+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "p"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><foreignObject><p></p></foreignObject></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject><p></p></foreignObject></svg>"
+      }
+    },
+    {
+      "data": "<!doctype html><svg><title>abc",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg title": true
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+          "doctype": true
+        },
+        "tree": [
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+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "title",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "text": "abc"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><title>abc</title></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><title>abc</title></svg>"
+      }
+    },
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+      "data": "<option><span><option>",
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+        "(1,22): expected-closing-tag-but-got-eof"
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+      "document": {
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+            "head": true,
+            "body": true,
+            "option": true,
+            "span": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "option",
+                    "children": [
+                      {
+                        "tag": "span",
+                        "children": [
+                          {
+                            "tag": "option"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><option><span><option></option></span></option></body></html>",
+        "noQuirksBodyHtml": "<option><span><option></option></span></option>"
+      }
+    },
+    {
+      "data": "<option><option>",
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+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "option": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "option"
+                  },
+                  {
+                    "tag": "option"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><option></option><option></option></body></html>",
+        "noQuirksBodyHtml": "<option></option><option></option>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml><div>",
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+        "(1,27): unexpected-html-element-in-foreign-content",
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "div": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml></annotation-xml></math><div></div></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\"application/svg+xml\"><div>",
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+        "(1,58): unexpected-html-element-in-foreign-content",
+        "(1,58): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "math math": true,
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+        },
+        "tree": [
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": "application/svg+xml"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\"application/svg+xml\"></annotation-xml></math><div></div></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\"application/svg+xml\"><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\"application/xhtml+xml\"><div>",
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+        "(1,60): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "div": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": "application/xhtml+xml"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\"application/xhtml+xml\"><div></div></annotation-xml></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\"application/xhtml+xml\"><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\"aPPlication/xhtmL+xMl\"><div>",
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+        "(1,60): expected-closing-tag-but-got-eof"
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+      "document": {
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+            "math math": true,
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+            "div": true
+          }
+        },
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": "aPPlication/xhtmL+xMl"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\"aPPlication/xhtmL+xMl\"><div></div></annotation-xml></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\"aPPlication/xhtmL+xMl\"><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\"text/html\"><div>",
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+        "(1,48): expected-closing-tag-but-got-eof"
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+      "document": {
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+            "math math": true,
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": "text/html"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\"text/html\"><div></div></annotation-xml></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\"text/html\"><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\"Text/htmL\"><div>",
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+        "(1,48): expected-closing-tag-but-got-eof"
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+      "document": {
+        "props": {
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+            "head": true,
+            "body": true,
+            "math math": true,
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+            "div": true
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+        },
+        "tree": [
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+            "children": [
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+                "tag": "head"
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+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "math",
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+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": "Text/htmL"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\"Text/htmL\"><div></div></annotation-xml></math></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\"Text/htmL\"><div></div></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<math><annotation-xml encoding=\" text/html \"><div>",
+      "errors": [
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+        "(1,50): unexpected-html-element-in-foreign-content",
+        "(1,50): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "encoding",
+                            "value": " text/html "
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><annotation-xml encoding=\" text/html \"></annotation-xml></math><div></div></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml encoding=\" text/html \"><div></div></annotation-xml></math>"
+      }
+    }
+  ],
+  "tests21.dat": [
+    {
+      "data": "<svg><![CDATA[foo]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo</svg>"
+      }
+    },
+    {
+      "data": "<math><![CDATA[foo]]>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math>foo</math></body></html>",
+        "noQuirksBodyHtml": "<math>foo</math>"
+      }
+    },
+    {
+      "data": "<div><![CDATA[foo]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,7): expected-dashes-or-doctype",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "comment": "[CDATA[foo]]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><!--[CDATA[foo]]--></div></body></html>",
+        "noQuirksBodyHtml": "<div><!--[CDATA[foo]]--></div>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[foo",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[foo",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>foo</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,14): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg></body></html>",
+        "noQuirksBodyHtml": "<svg></svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]] >]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "]] >",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>]] &gt;</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>]] &gt;</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]] >]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "]] >",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>]] &gt;</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>]] &gt;</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]]",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "]]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>]]</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>]]</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>]</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>]</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[]>a",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "]>a",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>]&gt;a</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>]&gt;a</svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><![CDATA[foo]]]>",
+      "errors": [
+        "(1,36): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg>foo]</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo]</svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><![CDATA[foo]]]]>",
+      "errors": [
+        "(1,37): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo]]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg>foo]]</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo]]</svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><![CDATA[foo]]]]]>",
+      "errors": [
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "foo]]]"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg>foo]]]</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>foo]]]</svg>"
+      }
+    },
+    {
+      "data": "<svg><foreignObject><div><![CDATA[foo]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,27): expected-dashes-or-doctype",
+        "(1,40): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "div": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "comment": "[CDATA[foo]]"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><foreignObject><div><!--[CDATA[foo]]--></div></foreignObject></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject><div><!--[CDATA[foo]]--></div></foreignObject></svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,22): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[</svg>a]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,24): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "</svg>a",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;/svg&gt;a</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;/svg&gt;a</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>a",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>a",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;a</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;a</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[</svg>a",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "</svg>a",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;/svg&gt;a</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;/svg&gt;a</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>]]><path>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,28): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg path": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>",
+                        "escaped": true
+                      },
+                      {
+                        "tag": "path",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;<path></path></svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;<path></path></svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>]]></path>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,29): unexpected-end-tag",
+        "(1,29): unexpected-end-tag",
+        "(1,29): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>]]><!--path-->",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>",
+                        "escaped": true
+                      },
+                      {
+                        "comment": "path"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;<!--path--></svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;<!--path--></svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<svg>]]>path",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,26): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<svg>path",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;svg&gt;path</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;svg&gt;path</svg>"
+      }
+    },
+    {
+      "data": "<svg><![CDATA[<!--svg-->]]>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "text": "<!--svg-->",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg>&lt;!--svg--&gt;</svg></body></html>",
+        "noQuirksBodyHtml": "<svg>&lt;!--svg--&gt;</svg>"
+      }
+    }
+  ],
+  "tests22.dat": [
+    {
+      "data": "<a><b><big><em><strong><div>X</a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,33): adoption-agency-1.3",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "big": true,
+            "em": true,
+            "strong": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "big",
+                            "children": [
+                              {
+                                "tag": "em",
+                                "children": [
+                                  {
+                                    "tag": "strong"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "big",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "strong",
+                            "children": [
+                              {
+                                "tag": "div",
+                                "children": [
+                                  {
+                                    "tag": "a",
+                                    "children": [
+                                      {
+                                        "text": "X"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><b><big><em><strong></strong></em></big></b></a><big><em><strong><div><a>X</a></div></strong></em></big></body></html>",
+        "noQuirksBodyHtml": "<a><b><big><em><strong></strong></em></big></b></a><big><em><strong><div><a>X</a></div></strong></em></big>"
+      }
+    },
+    {
+      "data": "<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8>A</a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): adoption-agency-1.3",
+        "(1,91): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "1"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "a"
+                          },
+                          {
+                            "tag": "div",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "2"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "a"
+                              },
+                              {
+                                "tag": "div",
+                                "attrs": [
+                                  {
+                                    "name": "id",
+                                    "value": "3"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "a"
+                                  },
+                                  {
+                                    "tag": "div",
+                                    "attrs": [
+                                      {
+                                        "name": "id",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "a"
+                                      },
+                                      {
+                                        "tag": "div",
+                                        "attrs": [
+                                          {
+                                            "name": "id",
+                                            "value": "5"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "tag": "a"
+                                          },
+                                          {
+                                            "tag": "div",
+                                            "attrs": [
+                                              {
+                                                "name": "id",
+                                                "value": "6"
+                                              }
+                                            ],
+                                            "children": [
+                                              {
+                                                "tag": "a"
+                                              },
+                                              {
+                                                "tag": "div",
+                                                "attrs": [
+                                                  {
+                                                    "name": "id",
+                                                    "value": "7"
+                                                  }
+                                                ],
+                                                "children": [
+                                                  {
+                                                    "tag": "a"
+                                                  },
+                                                  {
+                                                    "tag": "div",
+                                                    "attrs": [
+                                                      {
+                                                        "name": "id",
+                                                        "value": "8"
+                                                      }
+                                                    ],
+                                                    "children": [
+                                                      {
+                                                        "tag": "a",
+                                                        "children": [
+                                                          {
+                                                            "text": "A"
+                                                          }
+                                                        ]
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a>A</a></div></div></div></div></div></div></div></div></b></body></html>",
+        "noQuirksBodyHtml": "<a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a>A</a></div></div></div></div></div></div></div></div></b>"
+      }
+    },
+    {
+      "data": "<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9>A</a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): adoption-agency-1.3",
+        "(1,101): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "1"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "a"
+                          },
+                          {
+                            "tag": "div",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "2"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "a"
+                              },
+                              {
+                                "tag": "div",
+                                "attrs": [
+                                  {
+                                    "name": "id",
+                                    "value": "3"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "a"
+                                  },
+                                  {
+                                    "tag": "div",
+                                    "attrs": [
+                                      {
+                                        "name": "id",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "a"
+                                      },
+                                      {
+                                        "tag": "div",
+                                        "attrs": [
+                                          {
+                                            "name": "id",
+                                            "value": "5"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "tag": "a"
+                                          },
+                                          {
+                                            "tag": "div",
+                                            "attrs": [
+                                              {
+                                                "name": "id",
+                                                "value": "6"
+                                              }
+                                            ],
+                                            "children": [
+                                              {
+                                                "tag": "a"
+                                              },
+                                              {
+                                                "tag": "div",
+                                                "attrs": [
+                                                  {
+                                                    "name": "id",
+                                                    "value": "7"
+                                                  }
+                                                ],
+                                                "children": [
+                                                  {
+                                                    "tag": "a"
+                                                  },
+                                                  {
+                                                    "tag": "div",
+                                                    "attrs": [
+                                                      {
+                                                        "name": "id",
+                                                        "value": "8"
+                                                      }
+                                                    ],
+                                                    "children": [
+                                                      {
+                                                        "tag": "a",
+                                                        "children": [
+                                                          {
+                                                            "tag": "div",
+                                                            "attrs": [
+                                                              {
+                                                                "name": "id",
+                                                                "value": "9"
+                                                              }
+                                                            ],
+                                                            "children": [
+                                                              {
+                                                                "text": "A"
+                                                              }
+                                                            ]
+                                                          }
+                                                        ]
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a><div id=\"9\">A</div></a></div></div></div></div></div></div></div></div></b></body></html>",
+        "noQuirksBodyHtml": "<a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a><div id=\"9\">A</div></a></div></div></div></div></div></div></div></div></b>"
+      }
+    },
+    {
+      "data": "<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9><div id=10>A</a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): adoption-agency-1.3",
+        "(1,112): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "b": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "1"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "a"
+                          },
+                          {
+                            "tag": "div",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "2"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "a"
+                              },
+                              {
+                                "tag": "div",
+                                "attrs": [
+                                  {
+                                    "name": "id",
+                                    "value": "3"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "a"
+                                  },
+                                  {
+                                    "tag": "div",
+                                    "attrs": [
+                                      {
+                                        "name": "id",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "a"
+                                      },
+                                      {
+                                        "tag": "div",
+                                        "attrs": [
+                                          {
+                                            "name": "id",
+                                            "value": "5"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "tag": "a"
+                                          },
+                                          {
+                                            "tag": "div",
+                                            "attrs": [
+                                              {
+                                                "name": "id",
+                                                "value": "6"
+                                              }
+                                            ],
+                                            "children": [
+                                              {
+                                                "tag": "a"
+                                              },
+                                              {
+                                                "tag": "div",
+                                                "attrs": [
+                                                  {
+                                                    "name": "id",
+                                                    "value": "7"
+                                                  }
+                                                ],
+                                                "children": [
+                                                  {
+                                                    "tag": "a"
+                                                  },
+                                                  {
+                                                    "tag": "div",
+                                                    "attrs": [
+                                                      {
+                                                        "name": "id",
+                                                        "value": "8"
+                                                      }
+                                                    ],
+                                                    "children": [
+                                                      {
+                                                        "tag": "a",
+                                                        "children": [
+                                                          {
+                                                            "tag": "div",
+                                                            "attrs": [
+                                                              {
+                                                                "name": "id",
+                                                                "value": "9"
+                                                              }
+                                                            ],
+                                                            "children": [
+                                                              {
+                                                                "tag": "div",
+                                                                "attrs": [
+                                                                  {
+                                                                    "name": "id",
+                                                                    "value": "10"
+                                                                  }
+                                                                ],
+                                                                "children": [
+                                                                  {
+                                                                    "text": "A"
+                                                                  }
+                                                                ]
+                                                              }
+                                                            ]
+                                                          }
+                                                        ]
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a><div id=\"9\"><div id=\"10\">A</div></div></a></div></div></div></div></div></div></div></div></b></body></html>",
+        "noQuirksBodyHtml": "<a><b></b></a><b><div id=\"1\"><a></a><div id=\"2\"><a></a><div id=\"3\"><a></a><div id=\"4\"><a></a><div id=\"5\"><a></a><div id=\"6\"><a></a><div id=\"7\"><a></a><div id=\"8\"><a><div id=\"9\"><div id=\"10\">A</div></div></a></div></div></div></div></div></div></div></div></b>"
+      }
+    },
+    {
+      "data": "<cite><b><cite><i><cite><i><cite><i><div>X</b>TEST",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,46): adoption-agency-1.3",
+        "(1,50): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "cite": true,
+            "b": true,
+            "i": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "cite",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "cite",
+                            "children": [
+                              {
+                                "tag": "i",
+                                "children": [
+                                  {
+                                    "tag": "cite",
+                                    "children": [
+                                      {
+                                        "tag": "i",
+                                        "children": [
+                                          {
+                                            "tag": "cite",
+                                            "children": [
+                                              {
+                                                "tag": "i"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "div",
+                                "children": [
+                                  {
+                                    "tag": "b",
+                                    "children": [
+                                      {
+                                        "text": "X"
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "text": "TEST"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><cite><b><cite><i><cite><i><cite><i></i></cite></i></cite></i></cite></b><i><i><div><b>X</b>TEST</div></i></i></cite></body></html>",
+        "noQuirksBodyHtml": "<cite><b><cite><i><cite><i><cite><i></i></cite></i></cite></i></cite></b><i><i><div><b>X</b>TEST</div></i></i></cite>"
+      }
+    }
+  ],
+  "tests23.dat": [
+    {
+      "data": "<p><font size=4><font color=red><font size=4><font size=4><font size=4><font size=4><font size=4><font color=red><p>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,116): unexpected-end-tag",
+        "(1,117): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "color",
+                                "value": "red"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "font",
+                                        "attrs": [
+                                          {
+                                            "name": "size",
+                                            "value": "4"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "tag": "font",
+                                            "attrs": [
+                                              {
+                                                "name": "size",
+                                                "value": "4"
+                                              }
+                                            ],
+                                            "children": [
+                                              {
+                                                "tag": "font",
+                                                "attrs": [
+                                                  {
+                                                    "name": "size",
+                                                    "value": "4"
+                                                  }
+                                                ],
+                                                "children": [
+                                                  {
+                                                    "tag": "font",
+                                                    "attrs": [
+                                                      {
+                                                        "name": "color",
+                                                        "value": "red"
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "color",
+                            "value": "red"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "font",
+                                        "attrs": [
+                                          {
+                                            "name": "color",
+                                            "value": "red"
+                                          }
+                                        ],
+                                        "children": [
+                                          {
+                                            "text": "X"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><font size=\"4\"><font color=\"red\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font color=\"red\"></font></font></font></font></font></font></font></font></p><p><font color=\"red\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font color=\"red\">X</font></font></font></font></font></p></body></html>",
+        "noQuirksBodyHtml": "<p><font size=\"4\"><font color=\"red\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font color=\"red\"></font></font></font></font></font></font></font></font></p><p><font color=\"red\"><font size=\"4\"><font size=\"4\"><font size=\"4\"><font color=\"red\">X</font></font></font></font></font></p>"
+      }
+    },
+    {
+      "data": "<p><font size=4><font size=4><font size=4><font size=4><p>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,58): unexpected-end-tag",
+        "(1,59): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "text": "X"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"></font></font></font></font></p><p><font size=\"4\"><font size=\"4\"><font size=\"4\">X</font></font></font></p></body></html>",
+        "noQuirksBodyHtml": "<p><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"4\"></font></font></font></font></p><p><font size=\"4\"><font size=\"4\"><font size=\"4\">X</font></font></font></p>"
+      }
+    },
+    {
+      "data": "<p><font size=4><font size=4><font size=4><font size=\"5\"><font size=4><p>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,73): unexpected-end-tag",
+        "(1,74): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "5"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "tag": "font",
+                                        "attrs": [
+                                          {
+                                            "name": "size",
+                                            "value": "4"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "5"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "text": "X"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"5\"><font size=\"4\"></font></font></font></font></font></p><p><font size=\"4\"><font size=\"4\"><font size=\"5\"><font size=\"4\">X</font></font></font></font></p></body></html>",
+        "noQuirksBodyHtml": "<p><font size=\"4\"><font size=\"4\"><font size=\"4\"><font size=\"5\"><font size=\"4\"></font></font></font></font></font></p><p><font size=\"4\"><font size=\"4\"><font size=\"5\"><font size=\"4\">X</font></font></font></font></p>"
+      }
+    },
+    {
+      "data": "<p><font size=4 id=a><font size=4 id=b><font size=4><font size=4><p>X",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,68): unexpected-end-tag",
+        "(1,69): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "font": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "a"
+                          },
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "b"
+                              },
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "a"
+                          },
+                          {
+                            "name": "size",
+                            "value": "4"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "b"
+                              },
+                              {
+                                "name": "size",
+                                "value": "4"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "font",
+                                "attrs": [
+                                  {
+                                    "name": "size",
+                                    "value": "4"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "font",
+                                    "attrs": [
+                                      {
+                                        "name": "size",
+                                        "value": "4"
+                                      }
+                                    ],
+                                    "children": [
+                                      {
+                                        "text": "X"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><font size=\"4\" id=\"a\"><font size=\"4\" id=\"b\"><font size=\"4\"><font size=\"4\"></font></font></font></font></p><p><font size=\"4\" id=\"a\"><font size=\"4\" id=\"b\"><font size=\"4\"><font size=\"4\">X</font></font></font></font></p></body></html>",
+        "noQuirksBodyHtml": "<p><font size=\"4\" id=\"a\"><font size=\"4\" id=\"b\"><font size=\"4\"><font size=\"4\"></font></font></font></font></p><p><font size=\"4\" id=\"a\"><font size=\"4\" id=\"b\"><font size=\"4\"><font size=\"4\">X</font></font></font></font></p>"
+      }
+    },
+    {
+      "data": "<p><b id=a><b id=a><b id=a><b><object><b id=a><b id=a>X</object><p>Y",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,64): end-tag-too-early",
+        "(1,67): unexpected-end-tag",
+        "(1,68): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "b": true,
+            "object": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "a"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "b",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "a"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "b",
+                                "attrs": [
+                                  {
+                                    "name": "id",
+                                    "value": "a"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "b",
+                                    "children": [
+                                      {
+                                        "tag": "object",
+                                        "children": [
+                                          {
+                                            "tag": "b",
+                                            "attrs": [
+                                              {
+                                                "name": "id",
+                                                "value": "a"
+                                              }
+                                            ],
+                                            "children": [
+                                              {
+                                                "tag": "b",
+                                                "attrs": [
+                                                  {
+                                                    "name": "id",
+                                                    "value": "a"
+                                                  }
+                                                ],
+                                                "children": [
+                                                  {
+                                                    "text": "X"
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "attrs": [
+                          {
+                            "name": "id",
+                            "value": "a"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "b",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "a"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "tag": "b",
+                                "attrs": [
+                                  {
+                                    "name": "id",
+                                    "value": "a"
+                                  }
+                                ],
+                                "children": [
+                                  {
+                                    "tag": "b",
+                                    "children": [
+                                      {
+                                        "text": "Y"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><b id=\"a\"><b id=\"a\"><b id=\"a\"><b><object><b id=\"a\"><b id=\"a\">X</b></b></object></b></b></b></b></p><p><b id=\"a\"><b id=\"a\"><b id=\"a\"><b>Y</b></b></b></b></p></body></html>",
+        "noQuirksBodyHtml": "<p><b id=\"a\"><b id=\"a\"><b id=\"a\"><b><object><b id=\"a\"><b id=\"a\">X</b></b></object></b></b></b></b></p><p><b id=\"a\"><b id=\"a\"><b id=\"a\"><b>Y</b></b></b></b></p>"
+      }
+    }
+  ],
+  "tests24.dat": [
+    {
+      "data": "<!DOCTYPE html>&NotEqualTilde;",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "≂̸"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>≂̸</body></html>",
+        "noQuirksBodyHtml": "≂̸"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&NotEqualTilde;A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "≂̸A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>≂̸A</body></html>",
+        "noQuirksBodyHtml": "≂̸A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&ThickSpace;",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "  "
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>  </body></html>",
+        "noQuirksBodyHtml": "  "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&ThickSpace;A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "  A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>  A</body></html>",
+        "noQuirksBodyHtml": "  A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&NotSubset;",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "⊂⃒"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>⊂⃒</body></html>",
+        "noQuirksBodyHtml": "⊂⃒"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&NotSubset;A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "⊂⃒A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>⊂⃒A</body></html>",
+        "noQuirksBodyHtml": "⊂⃒A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&Gopf;",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "𝔾"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>𝔾</body></html>",
+        "noQuirksBodyHtml": "𝔾"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html>&Gopf;A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "𝔾A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>𝔾A</body></html>",
+        "noQuirksBodyHtml": "𝔾A"
+      }
+    }
+  ],
+  "tests25.dat": [
+    {
+      "data": "<!DOCTYPE html><body><foo>A",
+      "errors": [
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "foo": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "children": [
+                      {
+                        "text": "A"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><foo>A</foo></body></html>",
+        "noQuirksBodyHtml": "<foo>A</foo>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><area>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "area": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "area"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><area>A</body></html>",
+        "noQuirksBodyHtml": "<area>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><base>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "base": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "base"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><base>A</body></html>",
+        "noQuirksBodyHtml": "<base>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><basefont>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "basefont": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "basefont"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><basefont>A</body></html>",
+        "noQuirksBodyHtml": "<basefont>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><bgsound>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "bgsound": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "bgsound"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><bgsound>A</body></html>",
+        "noQuirksBodyHtml": "<bgsound>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><br>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><br>A</body></html>",
+        "noQuirksBodyHtml": "<br>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><col>A",
+      "errors": [
+        "(1,26): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>A</body></html>",
+        "noQuirksBodyHtml": "A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><command>A",
+      "errors": [
+        "eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "command": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "command",
+                    "children": [
+                      {
+                        "text": "A"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><command>A</command></body></html>",
+        "noQuirksBodyHtml": "<command>A</command>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><menuitem>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "menuitem": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "menuitem"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><menuitem>A</body></html>",
+        "noQuirksBodyHtml": "<menuitem>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><embed>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "embed": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "embed"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><embed>A</body></html>",
+        "noQuirksBodyHtml": "<embed>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><frame>A",
+      "errors": [
+        "(1,28): unexpected-start-tag-ignored"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>A</body></html>",
+        "noQuirksBodyHtml": "A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><hr>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "hr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "hr"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><hr>A</body></html>",
+        "noQuirksBodyHtml": "<hr>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><img>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "img": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "img"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><img>A</body></html>",
+        "noQuirksBodyHtml": "<img>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><input>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><input>A</body></html>",
+        "noQuirksBodyHtml": "<input>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><keygen>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "keygen": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "keygen"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><keygen>A</body></html>",
+        "noQuirksBodyHtml": "<keygen>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><link>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "link": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "link"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><link>A</body></html>",
+        "noQuirksBodyHtml": "<link>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><meta>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "meta": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><meta>A</body></html>",
+        "noQuirksBodyHtml": "<meta>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><param>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "param": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "param"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><param>A</body></html>",
+        "noQuirksBodyHtml": "<param>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><source>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "source": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "source"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><source>A</body></html>",
+        "noQuirksBodyHtml": "<source>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><track>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "track": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "track"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><track>A</body></html>",
+        "noQuirksBodyHtml": "<track>A"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><wbr>A",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "wbr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "wbr"
+                  },
+                  {
+                    "text": "A"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><wbr>A</body></html>",
+        "noQuirksBodyHtml": "<wbr>A"
+      }
+    }
+  ],
+  "tests26.dat": [
+    {
+      "data": "<!DOCTYPE html><body><a href='#1'><nobr>1<nobr></a><br><a href='#2'><nobr>2<nobr></a><br><a href='#3'><nobr>3<nobr></a>",
+      "errors": [
+        "(1,47): unexpected-start-tag-implies-end-tag",
+        "(1,51): adoption-agency-1.3",
+        "(1,74): unexpected-start-tag-implies-end-tag",
+        "(1,74): adoption-agency-1.3",
+        "(1,81): unexpected-start-tag-implies-end-tag",
+        "(1,85): adoption-agency-1.3",
+        "(1,108): unexpected-start-tag-implies-end-tag",
+        "(1,108): adoption-agency-1.3",
+        "(1,115): unexpected-start-tag-implies-end-tag",
+        "(1,119): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "nobr": true,
+            "br": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "#1"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "br"
+                      },
+                      {
+                        "tag": "a",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "value": "#2"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "#2"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "br"
+                      },
+                      {
+                        "tag": "a",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "value": "#3"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "value": "#3"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "3"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><a href=\"#1\"><nobr>1</nobr><nobr></nobr></a><nobr><br><a href=\"#2\"></a></nobr><a href=\"#2\"><nobr>2</nobr><nobr></nobr></a><nobr><br><a href=\"#3\"></a></nobr><a href=\"#3\"><nobr>3</nobr><nobr></nobr></a></body></html>",
+        "noQuirksBodyHtml": "<a href=\"#1\"><nobr>1</nobr><nobr></nobr></a><nobr><br><a href=\"#2\"></a></nobr><a href=\"#2\"><nobr>2</nobr><nobr></nobr></a><nobr><br><a href=\"#3\"></a></nobr><a href=\"#3\"><nobr>3</nobr><nobr></nobr></a>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<nobr></b><i><nobr>2<nobr></i>3",
+      "errors": [
+        "(1,37): unexpected-start-tag-implies-end-tag",
+        "(1,41): adoption-agency-1.3",
+        "(1,50): unexpected-start-tag-implies-end-tag",
+        "(1,50): adoption-agency-1.3",
+        "(1,57): unexpected-start-tag-implies-end-tag",
+        "(1,61): adoption-agency-1.3",
+        "(1,62): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "i"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "text": "3"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1</nobr><nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1</nobr><nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<table><nobr></b><i><nobr>2<nobr></i>3",
+      "errors": [
+        "(1,44): foster-parenting-start-tag",
+        "(1,48): foster-parenting-end-tag",
+        "(1,48): adoption-agency-1.3",
+        "(1,51): foster-parenting-start-tag",
+        "(1,57): foster-parenting-start-tag",
+        "(1,57): nobr-already-in-scope",
+        "(1,57): adoption-agency-1.2",
+        "(1,58): foster-parenting-character",
+        "(1,64): foster-parenting-start-tag",
+        "(1,64): nobr-already-in-scope",
+        "(1,68): foster-parenting-end-tag",
+        "(1,68): adoption-agency-1.2",
+        "(1,69): foster-parenting-character",
+        "(1,69): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "i": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          },
+                          {
+                            "tag": "nobr",
+                            "children": [
+                              {
+                                "tag": "i"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "tag": "nobr",
+                                "children": [
+                                  {
+                                    "text": "2"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "nobr"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "nobr",
+                            "children": [
+                              {
+                                "text": "3"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "table"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1<nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr><table></table></nobr></b></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1<nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr><table></table></nobr></b>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<table><tr><td><nobr></b><i><nobr>2<nobr></i>3",
+      "errors": [
+        "(1,56): unexpected-end-tag",
+        "(1,65): unexpected-start-tag-implies-end-tag",
+        "(1,65): adoption-agency-1.3",
+        "(1,72): unexpected-start-tag-implies-end-tag",
+        "(1,76): adoption-agency-1.3",
+        "(1,77): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          },
+                          {
+                            "tag": "table",
+                            "children": [
+                              {
+                                "tag": "tbody",
+                                "children": [
+                                  {
+                                    "tag": "tr",
+                                    "children": [
+                                      {
+                                        "tag": "td",
+                                        "children": [
+                                          {
+                                            "tag": "nobr",
+                                            "children": [
+                                              {
+                                                "tag": "i"
+                                              }
+                                            ]
+                                          },
+                                          {
+                                            "tag": "i",
+                                            "children": [
+                                              {
+                                                "tag": "nobr",
+                                                "children": [
+                                                  {
+                                                    "text": "2"
+                                                  }
+                                                ]
+                                              },
+                                              {
+                                                "tag": "nobr"
+                                              }
+                                            ]
+                                          },
+                                          {
+                                            "tag": "nobr",
+                                            "children": [
+                                              {
+                                                "text": "3"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1<table><tbody><tr><td><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></td></tr></tbody></table></nobr></b></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1<table><tbody><tr><td><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></td></tr></tbody></table></nobr></b>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<div><nobr></b><i><nobr>2<nobr></i>3",
+      "errors": [
+        "(1,42): unexpected-start-tag-implies-end-tag",
+        "(1,42): adoption-agency-1.3",
+        "(1,46): adoption-agency-1.3",
+        "(1,46): adoption-agency-1.3",
+        "(1,55): unexpected-start-tag-implies-end-tag",
+        "(1,55): adoption-agency-1.3",
+        "(1,62): unexpected-start-tag-implies-end-tag",
+        "(1,66): adoption-agency-1.3",
+        "(1,67): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "div": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "nobr"
+                          },
+                          {
+                            "tag": "nobr"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "tag": "i"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "nobr",
+                            "children": [
+                              {
+                                "text": "2"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "nobr"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "3"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1</nobr></b><div><b><nobr></nobr><nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></div></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1</nobr></b><div><b><nobr></nobr><nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></div>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<nobr></b><div><i><nobr>2<nobr></i>3",
+      "errors": [
+        "(1,37): unexpected-start-tag-implies-end-tag",
+        "(1,41): adoption-agency-1.3",
+        "(1,55): unexpected-start-tag-implies-end-tag",
+        "(1,55): adoption-agency-1.3",
+        "(1,62): unexpected-start-tag-implies-end-tag",
+        "(1,66): adoption-agency-1.3",
+        "(1,67): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "div": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "tag": "i"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "tag": "nobr",
+                            "children": [
+                              {
+                                "text": "2"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "nobr"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "3"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1</nobr><nobr></nobr></b><div><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></div></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1</nobr><nobr></nobr></b><div><nobr><i></i></nobr><i><nobr>2</nobr><nobr></nobr></i><nobr>3</nobr></div>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<nobr><ins></b><i><nobr>",
+      "errors": [
+        "(1,37): unexpected-start-tag-implies-end-tag",
+        "(1,46): adoption-agency-1.3",
+        "(1,55): unexpected-start-tag-implies-end-tag",
+        "(1,55): adoption-agency-1.3",
+        "(1,55): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "ins": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "tag": "ins"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "i"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1</nobr><nobr><ins></ins></nobr></b><nobr><i></i></nobr><i><nobr></nobr></i></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1</nobr><nobr><ins></ins></nobr></b><nobr><i></i></nobr><i><nobr></nobr></i>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b><nobr>1<ins><nobr></b><i>2",
+      "errors": [
+        "(1,42): unexpected-start-tag-implies-end-tag",
+        "(1,42): adoption-agency-1.3",
+        "(1,46): adoption-agency-1.3",
+        "(1,50): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "ins": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "1"
+                          },
+                          {
+                            "tag": "ins"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b><nobr>1<ins></ins></nobr><nobr></nobr></b><nobr><i>2</i></nobr></body></html>",
+        "noQuirksBodyHtml": "<b><nobr>1<ins></ins></nobr><nobr></nobr></b><nobr><i>2</i></nobr>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><b>1<nobr></b><i><nobr>2</i>",
+      "errors": [
+        "(1,35): adoption-agency-1.3",
+        "(1,44): unexpected-start-tag-implies-end-tag",
+        "(1,44): adoption-agency-1.3",
+        "(1,49): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "nobr": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "1"
+                      },
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "nobr",
+                    "children": [
+                      {
+                        "tag": "i"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "tag": "nobr",
+                        "children": [
+                          {
+                            "text": "2"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><b>1<nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr></i></body></html>",
+        "noQuirksBodyHtml": "<b>1<nobr></nobr></b><nobr><i></i></nobr><i><nobr>2</nobr></i>"
+      }
+    },
+    {
+      "data": "<p><code x</code></p>\n",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,11): invalid-character-in-attribute-name",
+        "(1,12): unexpected-character-after-solidus-in-tag",
+        "(1,21): unexpected-end-tag",
+        "(2,0): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "code": true
+          },
+          "attrWithFunnyChar": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "code",
+                        "attrs": [
+                          {
+                            "name": "code",
+                            "value": ""
+                          },
+                          {
+                            "name": "x<",
+                            "value": ""
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "code",
+                    "attrs": [
+                      {
+                        "name": "code",
+                        "value": ""
+                      },
+                      {
+                        "name": "x<",
+                        "value": ""
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "\n"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><code x<=\"\" code=\"\"></code></p><code x<=\"\" code=\"\">\n</code></body></html>",
+        "noQuirksBodyHtml": "<p><code x<=\"\" code=\"\"></code></p><code x<=\"\" code=\"\">\n</code>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><svg><foreignObject><p><i></p>a",
+      "errors": [
+        "(1,45): unexpected-end-tag",
+        "(1,46): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "p": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "tag": "i"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "a"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><svg><foreignObject><p><i></i></p><i>a</i></foreignObject></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject><p><i></i></p><i>a</i></foreignObject></svg>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><table><tr><td><svg><foreignObject><p><i></p>a",
+      "errors": [
+        "(1,60): unexpected-end-tag",
+        "(1,61): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "p": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "foreignObject",
+                                        "ns": "http://www.w3.org/2000/svg",
+                                        "children": [
+                                          {
+                                            "tag": "p",
+                                            "children": [
+                                              {
+                                                "tag": "i"
+                                              }
+                                            ]
+                                          },
+                                          {
+                                            "tag": "i",
+                                            "children": [
+                                              {
+                                                "text": "a"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><svg><foreignObject><p><i></i></p><i>a</i></foreignObject></svg></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><foreignObject><p><i></i></p><i>a</i></foreignObject></svg></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><math><mtext><p><i></p>a",
+      "errors": [
+        "(1,38): unexpected-end-tag",
+        "(1,39): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mtext": true,
+            "p": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mtext",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "tag": "i"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "a"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mtext><p><i></i></p><i>a</i></mtext></math></body></html>",
+        "noQuirksBodyHtml": "<math><mtext><p><i></i></p><i>a</i></mtext></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><table><tr><td><math><mtext><p><i></p>a",
+      "errors": [
+        "(1,53): unexpected-end-tag",
+        "(1,54): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "math math": true,
+            "math mtext": true,
+            "p": true,
+            "i": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "math",
+                                    "ns": "http://www.w3.org/1998/Math/MathML",
+                                    "children": [
+                                      {
+                                        "tag": "mtext",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "tag": "p",
+                                            "children": [
+                                              {
+                                                "tag": "i"
+                                              }
+                                            ]
+                                          },
+                                          {
+                                            "tag": "i",
+                                            "children": [
+                                              {
+                                                "text": "a"
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><math><mtext><p><i></i></p><i>a</i></mtext></math></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><math><mtext><p><i></i></p><i>a</i></mtext></math></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><div><!/div>a",
+      "errors": [
+        "(1,28): expected-dashes-or-doctype",
+        "(1,34): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          },
+          "doctype": true,
+          "comment": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "comment": "/div"
+                      },
+                      {
+                        "text": "a"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><div><!--/div-->a</div></body></html>",
+        "noQuirksBodyHtml": "<div><!--/div-->a</div>"
+      }
+    },
+    {
+      "data": "<button><p><button>",
+      "errors": [
+        "Line 1 Col 8 Unexpected start tag (button). Expected DOCTYPE.",
+        "Line 1 Col 19 Unexpected start tag (button) implies end tag (button).",
+        "Line 1 Col 19 Expected closing tag. Unexpected end of file."
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "button": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "button",
+                    "children": [
+                      {
+                        "tag": "p"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "button"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><button><p></p></button><button></button></body></html>",
+        "noQuirksBodyHtml": "<button><p></p></button><button></button>"
+      }
+    }
+  ],
+  "tests3.dat": [
+    {
+      "data": "<head></head><style></style>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,20): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style></style></head><body></body></html>",
+        "noQuirksBodyHtml": "<style></style>"
+      }
+    },
+    {
+      "data": "<head></head><script></script>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,21): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script></script></head><body></body></html>",
+        "noQuirksBodyHtml": "<script></script>"
+      }
+    },
+    {
+      "data": "<head></head><!-- --><style></style><!-- --><script></script>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,28): unexpected-start-tag-out-of-my-head",
+        "(1,52): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "script": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style"
+                  },
+                  {
+                    "tag": "script"
+                  }
+                ]
+              },
+              {
+                "comment": " "
+              },
+              {
+                "comment": " "
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style></style><script></script></head><!-- --><!-- --><body></body></html>",
+        "noQuirksBodyHtml": "<!-- --><style></style><!-- --><script></script>"
+      }
+    },
+    {
+      "data": "<head></head><!-- -->x<style></style><!-- --><script></script>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "style": true,
+            "script": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "comment": " "
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "tag": "style"
+                  },
+                  {
+                    "comment": " "
+                  },
+                  {
+                    "tag": "script"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><!-- --><body>x<style></style><!-- --><script></script></body></html>",
+        "noQuirksBodyHtml": "<!-- -->x<style></style><!-- --><script></script>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>\n</pre></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre></pre></body></html>",
+        "noQuirksBodyHtml": "<pre></pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>\nfoo</pre></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>foo</pre></body></html>",
+        "noQuirksBodyHtml": "<pre>foo</pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>\n\nfoo</pre></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true,
+          "extraNL": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "\nfoo",
+                        "extraNL": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>\n\nfoo</pre></body></html>",
+        "noQuirksBodyHtml": "<pre>\n\nfoo</pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>\nfoo\n</pre></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "foo\n"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>foo\n</pre></body></html>",
+        "noQuirksBodyHtml": "<pre>foo\n</pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>x</pre><span>\n</span></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true,
+            "span": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "x"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "span",
+                    "children": [
+                      {
+                        "text": "\n"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>x</pre><span>\n</span></body></html>",
+        "noQuirksBodyHtml": "<pre>x</pre><span>\n</span>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>x\ny</pre></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "x\ny"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>x\ny</pre></body></html>",
+        "noQuirksBodyHtml": "<pre>x\ny</pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><pre>x<div>\ny</pre></body></html>",
+      "errors": [
+        "(2,7): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true,
+            "div": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "x"
+                      },
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "text": "\ny"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>x<div>\ny</div></pre></body></html>",
+        "noQuirksBodyHtml": "<pre>x<div>\ny</div></pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><pre>&#x0a;&#x0a;A</pre>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "pre": true
+          },
+          "doctype": true,
+          "extraNL": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "pre",
+                    "children": [
+                      {
+                        "text": "\nA",
+                        "extraNL": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><pre>\n\nA</pre></body></html>",
+        "noQuirksBodyHtml": "<pre>\n\nA</pre>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><HTML><META><HEAD></HEAD></HTML>",
+      "errors": [
+        "(1,33): two-heads-are-not-better-than-one"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "meta": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "meta"
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><meta></head><body></body></html>",
+        "noQuirksBodyHtml": "<meta>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><HTML><HEAD><head></HEAD></HTML>",
+      "errors": [
+        "(1,33): two-heads-are-not-better-than-one"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<textarea>foo<span>bar</span><i>baz",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,35): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "foo<span>bar</span><i>baz",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea>foo&lt;span&gt;bar&lt;/span&gt;&lt;i&gt;baz</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>foo&lt;span&gt;bar&lt;/span&gt;&lt;i&gt;baz</textarea>"
+      }
+    },
+    {
+      "data": "<title>foo<span>bar</em><i>baz",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,30): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "foo<span>bar</em><i>baz",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>foo&lt;span&gt;bar&lt;/em&gt;&lt;i&gt;baz</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>foo&lt;span&gt;bar&lt;/em&gt;&lt;i&gt;baz</title>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><textarea>\n</textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea></textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea></textarea>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><textarea>\nfoo</textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>foo</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>foo</textarea>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><textarea>\n\nfoo</textarea>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "doctype": true,
+          "extraNL": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": "\nfoo",
+                        "extraNL": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><textarea>\n\nfoo</textarea></body></html>",
+        "noQuirksBodyHtml": "<textarea>\n\nfoo</textarea>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><html><head></head><body><ul><li><div><p><li></ul></body></html>",
+      "errors": [
+        "(1,60): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ul": true,
+            "li": true,
+            "div": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ul",
+                    "children": [
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "tag": "p"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "li"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><ul><li><div><p></p></div></li><li></li></ul></body></html>",
+        "noQuirksBodyHtml": "<ul><li><div><p></p></div></li><li></li></ul>"
+      }
+    },
+    {
+      "data": "<!doctype html><nobr><nobr><nobr>",
+      "errors": [
+        "(1,27): unexpected-start-tag-implies-end-tag",
+        "(1,33): unexpected-start-tag-implies-end-tag",
+        "(1,33): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "nobr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "nobr"
+                  },
+                  {
+                    "tag": "nobr"
+                  },
+                  {
+                    "tag": "nobr"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><nobr></nobr><nobr></nobr><nobr></nobr></body></html>",
+        "noQuirksBodyHtml": "<nobr></nobr><nobr></nobr><nobr></nobr>"
+      }
+    },
+    {
+      "data": "<!doctype html><nobr><nobr></nobr><nobr>",
+      "errors": [
+        "(1,27): unexpected-start-tag-implies-end-tag",
+        "(1,40): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "nobr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "nobr"
+                  },
+                  {
+                    "tag": "nobr"
+                  },
+                  {
+                    "tag": "nobr"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><nobr></nobr><nobr></nobr><nobr></nobr></body></html>",
+        "noQuirksBodyHtml": "<nobr></nobr><nobr></nobr><nobr></nobr>"
+      }
+    },
+    {
+      "data": "<!doctype html><html><body><p><table></table></body></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p></p><table></table></body></html>",
+        "noQuirksBodyHtml": "<p></p><table></table>"
+      }
+    },
+    {
+      "data": "<p><table></table>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "table"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><table></table></p></body></html>",
+        "noQuirksBodyHtml": "<p></p><table></table>"
+      }
+    }
+  ],
+  "tests4.dat": [
+    {
+      "data": "direct div content",
+      "errors": [],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "direct div content"
+          }
+        ],
+        "html": "direct div content",
+        "noQuirksBodyHtml": "direct div content"
+      }
+    },
+    {
+      "data": "direct textarea content",
+      "errors": [],
+      "fragment": {
+        "name": "textarea"
+      },
+      "document": {
+        "props": {
+          "tags": {}
+        },
+        "tree": [
+          {
+            "text": "direct textarea content"
+          }
+        ],
+        "html": "direct textarea content",
+        "noQuirksBodyHtml": "direct textarea content"
+      }
+    },
+    {
+      "data": "textarea content with <em>pseudo</em> <foo>markup",
+      "errors": [],
+      "fragment": {
+        "name": "textarea"
+      },
+      "document": {
+        "props": {
+          "tags": {},
+          "escaped": true
+        },
+        "tree": [
+          {
+            "text": "textarea content with <em>pseudo</em> <foo>markup",
+            "escaped": true
+          }
+        ],
+        "html": "textarea content with &lt;em&gt;pseudo&lt;/em&gt; &lt;foo&gt;markup",
+        "noQuirksBodyHtml": "textarea content with <em>pseudo</em> <foo>markup</foo>"
+      }
+    },
+    {
+      "data": "this is &#x0043;DATA inside a <style> element",
+      "errors": [],
+      "fragment": {
+        "name": "style"
+      },
+      "document": {
+        "props": {
+          "tags": {},
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "text": "this is &#x0043;DATA inside a <style> element",
+            "no_escape": true
+          }
+        ],
+        "html": "this is &#x0043;DATA inside a <style> element",
+        "noQuirksBodyHtml": "this is CDATA inside a <style> element</style>"
+      }
+    },
+    {
+      "data": "</plaintext>",
+      "errors": [],
+      "fragment": {
+        "name": "plaintext"
+      },
+      "document": {
+        "props": {
+          "tags": {},
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "text": "</plaintext>",
+            "no_escape": true
+          }
+        ],
+        "html": "</plaintext>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "setting html's innerHTML",
+      "errors": [],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "head"
+          },
+          {
+            "tag": "body",
+            "children": [
+              {
+                "text": "setting html's innerHTML"
+              }
+            ]
+          }
+        ],
+        "html": "<head></head><body>setting html's innerHTML</body>",
+        "noQuirksBodyHtml": "setting html's innerHTML"
+      }
+    },
+    {
+      "data": "<title>setting head's innerHTML</title>",
+      "errors": [],
+      "fragment": {
+        "name": "head"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "title": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "title",
+            "children": [
+              {
+                "text": "setting head's innerHTML"
+              }
+            ]
+          }
+        ],
+        "html": "<title>setting head's innerHTML</title>",
+        "noQuirksBodyHtml": "<title>setting head's innerHTML</title>"
+      }
+    }
+  ],
+  "tests5.dat": [
+    {
+      "data": "<style> <!-- </style>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " <!-- ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style> <!-- </style></head><body>x</body></html>",
+        "noQuirksBodyHtml": "<style> <!-- </style>x"
+      }
+    },
+    {
+      "data": "<style> <!-- </style> --> </style>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,34): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " <!-- ",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": " "
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "--> x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style> <!-- </style> </head><body>--&gt; x</body></html>",
+        "noQuirksBodyHtml": "<style> <!-- </style> --&gt; x"
+      }
+    },
+    {
+      "data": "<style> <!--> </style>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " <!--> ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style> <!--> </style></head><body>x</body></html>",
+        "noQuirksBodyHtml": "<style> <!--> </style>x"
+      }
+    },
+    {
+      "data": "<style> <!---> </style>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " <!---> ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style> <!---> </style></head><body>x</body></html>",
+        "noQuirksBodyHtml": "<style> <!---> </style>x"
+      }
+    },
+    {
+      "data": "<iframe> <!---> </iframe>x",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": " <!---> ",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "x"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><iframe> <!---> </iframe>x</body></html>",
+        "noQuirksBodyHtml": "<iframe> <!---> </iframe>x"
+      }
+    },
+    {
+      "data": "<iframe> <!--- </iframe>->x</iframe> --> </iframe>x",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,36): unexpected-end-tag",
+        "(1,50): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "iframe": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "iframe",
+                    "children": [
+                      {
+                        "text": " <!--- ",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "->x --> x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><iframe> <!--- </iframe>-&gt;x --&gt; x</body></html>",
+        "noQuirksBodyHtml": "<iframe> <!--- </iframe>-&gt;x --&gt; x"
+      }
+    },
+    {
+      "data": "<script> <!-- </script> --> </script>x",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,37): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "script": true,
+            "body": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": " <!-- ",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": " "
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "--> x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><script> <!-- </script> </head><body>--&gt; x</body></html>",
+        "noQuirksBodyHtml": "<script> <!-- </script> --&gt; x"
+      }
+    },
+    {
+      "data": "<title> <!-- </title> --> </title>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,34): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": " <!-- ",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": " "
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "--> x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title> &lt;!-- </title> </head><body>--&gt; x</body></html>",
+        "noQuirksBodyHtml": "<title> &lt;!-- </title> --&gt; x"
+      }
+    },
+    {
+      "data": "<textarea> <!--- </textarea>->x</textarea> --> </textarea>x",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,42): unexpected-end-tag",
+        "(1,58): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "textarea": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "textarea",
+                    "children": [
+                      {
+                        "text": " <!--- ",
+                        "escaped": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "->x --> x",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><textarea> &lt;!--- </textarea>-&gt;x --&gt; x</body></html>",
+        "noQuirksBodyHtml": "<textarea> &lt;!--- </textarea>-&gt;x --&gt; x"
+      }
+    },
+    {
+      "data": "<style> <!</-- </style>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "style": true,
+            "body": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "style",
+                    "children": [
+                      {
+                        "text": " <!</-- ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style> <!</-- </style></head><body>x</body></html>",
+        "noQuirksBodyHtml": "<style> <!</-- </style>x"
+      }
+    },
+    {
+      "data": "<p><xmp></xmp>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "xmp": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p"
+                  },
+                  {
+                    "tag": "xmp"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p></p><xmp></xmp></body></html>",
+        "noQuirksBodyHtml": "<p></p><xmp></xmp>"
+      }
+    },
+    {
+      "data": "<xmp> <!-- > --> </xmp>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "xmp": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "xmp",
+                    "children": [
+                      {
+                        "text": " <!-- > --> ",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><xmp> <!-- > --> </xmp></body></html>",
+        "noQuirksBodyHtml": "<xmp> <!-- > --> </xmp>"
+      }
+    },
+    {
+      "data": "<title>&amp;</title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "&",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&amp;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&amp;</title>"
+      }
+    },
+    {
+      "data": "<title><!--&amp;--></title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<!--&-->",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&lt;!--&amp;--&gt;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;!--&amp;--&gt;</title>"
+      }
+    },
+    {
+      "data": "<title><!--</title>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><title>&lt;!--</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;!--</title>"
+      }
+    },
+    {
+      "data": "<noscript><!--</noscript>--></noscript>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(1,39): unexpected-end-tag"
+      ],
+      "script": "on",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "no_escape": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "text": "<!--",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "-->",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--</noscript></head><body>--&gt;</body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>--&gt;"
+      }
+    },
+    {
+      "data": "<noscript><!--</noscript>--></noscript>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "script": "off",
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "noscript": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "noscript",
+                    "children": [
+                      {
+                        "comment": "</noscript>"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><noscript><!--</noscript>--></noscript></head><body></body></html>",
+        "noQuirksBodyHtml": "<noscript>&lt;!--</noscript>--&gt;"
+      }
+    }
+  ],
+  "tests6.dat": [
+    {
+      "data": "<!doctype html></head> <head>",
+      "errors": [
+        "(1,29): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "text": " "
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head> <body></body></html>",
+        "noQuirksBodyHtml": " "
+      }
+    },
+    {
+      "data": "<!doctype html><form><div></form><div>",
+      "errors": [
+        "(1,33): end-tag-too-early-ignored",
+        "(1,38): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true,
+            "div": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form",
+                    "children": [
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><form><div><div></div></div></form></body></html>",
+        "noQuirksBodyHtml": "<form><div><div></div></div></form>"
+      }
+    },
+    {
+      "data": "<!doctype html><title>&amp;</title>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "&",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>&amp;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&amp;</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><title><!--&amp;--></title>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true,
+          "escaped": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "<!--&-->",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>&lt;!--&amp;--&gt;</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>&lt;!--&amp;--&gt;</title>"
+      }
+    },
+    {
+      "data": "<!doctype>",
+      "errors": [
+        "(1,9): need-space-after-doctype",
+        "(1,10): expected-doctype-name-but-got-right-bracket",
+        "(1,10): unknown-doctype"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": ""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE ><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!---x",
+      "errors": [
+        "(1,6): eof-in-comment",
+        "(1,6): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": "-x"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!---x--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!---x-->"
+      }
+    },
+    {
+      "data": "<body>\n<div>",
+      "errors": [
+        "(1,6): unexpected-start-tag",
+        "(2,5): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "text": "\n"
+          },
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "\n<div></div>",
+        "noQuirksBodyHtml": "\n<div></div>"
+      }
+    },
+    {
+      "data": "<frameset></frameset>\nfoo",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(2,1): unexpected-char-after-frameset",
+        "(2,2): unexpected-char-after-frameset",
+        "(2,3): unexpected-char-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "\n"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset>\n</html>",
+        "noQuirksBodyHtml": "\nfoo"
+      }
+    },
+    {
+      "data": "<frameset></frameset>\n<noframes>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(2,10): expected-named-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true,
+            "noframes": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "\n"
+              },
+              {
+                "tag": "noframes"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset>\n<noframes></noframes></html>",
+        "noQuirksBodyHtml": "\n<noframes></noframes>"
+      }
+    },
+    {
+      "data": "<frameset></frameset>\n<div>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(2,5): unexpected-start-tag-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "\n"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset>\n</html>",
+        "noQuirksBodyHtml": "\n<div></div>"
+      }
+    },
+    {
+      "data": "<frameset></frameset>\n</html>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "\n"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset>\n</html>",
+        "noQuirksBodyHtml": "\n"
+      }
+    },
+    {
+      "data": "<frameset></frameset>\n</div>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag",
+        "(2,6): unexpected-end-tag-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": "\n"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset>\n</html>",
+        "noQuirksBodyHtml": "\n"
+      }
+    },
+    {
+      "data": "<form><form>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,12): unexpected-start-tag",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "form": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "form"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><form></form></body></html>",
+        "noQuirksBodyHtml": "<form></form>"
+      }
+    },
+    {
+      "data": "<button><button>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,16): unexpected-start-tag-implies-end-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "button": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "button"
+                  },
+                  {
+                    "tag": "button"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><button></button><button></button></body></html>",
+        "noQuirksBodyHtml": "<button></button><button></button>"
+      }
+    },
+    {
+      "data": "<table><tr><td></th>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,20): unexpected-end-tag",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><caption><td>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,20): unexpected-cell-in-table-body",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption"
+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption></caption><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption></caption><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><caption><div>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption><div></div></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><div></div></caption></table>"
+      }
+    },
+    {
+      "data": "</caption><div>",
+      "errors": [
+        "(1,10): XXX-undefined-error",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<table><caption><div></caption>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,31): expected-one-end-tag-but-got-another",
+        "(1,31): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption><div></div></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><div></div></caption></table>"
+      }
+    },
+    {
+      "data": "<table><caption></table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption></caption></table>"
+      }
+    },
+    {
+      "data": "</table><div>",
+      "errors": [
+        "(1,8): unexpected-end-tag",
+        "(1,13): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<table><caption></body></col></colgroup></html></tbody></td></tfoot></th></thead></tr>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,23): unexpected-end-tag",
+        "(1,29): unexpected-end-tag",
+        "(1,40): unexpected-end-tag",
+        "(1,47): unexpected-end-tag",
+        "(1,55): unexpected-end-tag",
+        "(1,60): unexpected-end-tag",
+        "(1,68): unexpected-end-tag",
+        "(1,73): unexpected-end-tag",
+        "(1,81): unexpected-end-tag",
+        "(1,86): unexpected-end-tag",
+        "(1,86): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption></caption></table>"
+      }
+    },
+    {
+      "data": "<table><caption><div></div>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><caption><div></div></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><div></div></caption></table>"
+      }
+    },
+    {
+      "data": "<table><tr><td></body></caption></col></colgroup></html>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,22): unexpected-end-tag",
+        "(1,32): unexpected-end-tag",
+        "(1,38): unexpected-end-tag",
+        "(1,49): unexpected-end-tag",
+        "(1,56): unexpected-end-tag",
+        "(1,56): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "</table></tbody></tfoot></thead></tr><div>",
+      "errors": [
+        "(1,8): unexpected-end-tag",
+        "(1,16): unexpected-end-tag",
+        "(1,24): unexpected-end-tag",
+        "(1,32): unexpected-end-tag",
+        "(1,37): unexpected-end-tag",
+        "(1,42): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "td"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<table><colgroup>foo",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,18): foster-parenting-character-in-table",
+        "(1,19): foster-parenting-character-in-table",
+        "(1,20): foster-parenting-character-in-table",
+        "(1,20): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "foo"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>foo<table><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "foo<table><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "foo<col>",
+      "errors": [
+        "(1,1): unexpected-character-in-colgroup",
+        "(1,2): unexpected-character-in-colgroup",
+        "(1,3): unexpected-character-in-colgroup"
+      ],
+      "fragment": {
+        "name": "colgroup"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "col": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "col"
+          }
+        ],
+        "html": "<col>",
+        "noQuirksBodyHtml": "foo"
+      }
+    },
+    {
+      "data": "<table><colgroup></col>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,23): no-end-tag",
+        "(1,23): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "colgroup": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><colgroup></colgroup></table></body></html>",
+        "noQuirksBodyHtml": "<table><colgroup></colgroup></table>"
+      }
+    },
+    {
+      "data": "<frameset><div>",
+      "errors": [
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+        "(1,15): unexpected-start-tag-in-frameset",
+        "(1,15): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "</frameset><frame>",
+      "errors": [
+        "(1,11): unexpected-frameset-in-frameset-innerhtml"
+      ],
+      "fragment": {
+        "name": "frameset"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "frame": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "frame"
+          }
+        ],
+        "html": "<frame>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<frameset></div>",
+      "errors": [
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+        "(1,16): unexpected-end-tag-in-frameset",
+        "(1,16): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</body><div>",
+      "errors": [
+        "(1,7): unexpected-close-tag",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "body"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "div"
+          }
+        ],
+        "html": "<div></div>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<table><tr><div>",
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+        "(1,16): unexpected-start-tag-implies-table-voodoo",
+        "(1,16): eof-in-table"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<div></div><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "</tr><td>",
+      "errors": [
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+      ],
+      "fragment": {
+        "name": "tr"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "td"
+          }
+        ],
+        "html": "<td></td>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</tbody></tfoot></thead><td>",
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+        "(1,16): unexpected-end-tag",
+        "(1,24): unexpected-end-tag"
+      ],
+      "fragment": {
+        "name": "tr"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "td"
+          }
+        ],
+        "html": "<td></td>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<table><tr><div><td>",
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+        "(1,16): foster-parenting-start-tag",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div><table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<div></div><table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<caption><col><colgroup><tbody><tfoot><thead><tr>",
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+        "(1,14): unexpected-start-tag",
+        "(1,24): unexpected-start-tag",
+        "(1,31): unexpected-start-tag",
+        "(1,38): unexpected-start-tag",
+        "(1,45): unexpected-start-tag"
+      ],
+      "fragment": {
+        "name": "tbody"
+      },
+      "document": {
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+          "tags": {
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "tr"
+          }
+        ],
+        "html": "<tr></tr>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<table><tbody></thead>",
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+        "(1,22): unexpected-end-tag-in-table-body",
+        "(1,22): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "</table><tr>",
+      "errors": [
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+      ],
+      "fragment": {
+        "name": "tbody"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "tr"
+          }
+        ],
+        "html": "<tr></tr>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<table><tbody></body></caption></col></colgroup></html></td></th></tr>",
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+        "(1,21): unexpected-end-tag-in-table-body",
+        "(1,31): unexpected-end-tag-in-table-body",
+        "(1,37): unexpected-end-tag-in-table-body",
+        "(1,48): unexpected-end-tag-in-table-body",
+        "(1,55): unexpected-end-tag-in-table-body",
+        "(1,60): unexpected-end-tag-in-table-body",
+        "(1,65): unexpected-end-tag-in-table-body",
+        "(1,70): unexpected-end-tag-in-table-body",
+        "(1,70): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><tbody></div>",
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+        "(1,20): unexpected-end-tag-implies-table-voodoo",
+        "(1,20): end-tag-too-early",
+        "(1,20): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><table>",
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+        "(1,14): unexpected-start-tag-implies-end-tag",
+        "(1,14): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table></table><table></table></body></html>",
+        "noQuirksBodyHtml": "<table></table><table></table>"
+      }
+    },
+    {
+      "data": "<table></body></caption></col></colgroup></html></tbody></td></tfoot></th></thead></tr>",
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+        "(1,14): unexpected-end-tag",
+        "(1,24): unexpected-end-tag",
+        "(1,30): unexpected-end-tag",
+        "(1,41): unexpected-end-tag",
+        "(1,48): unexpected-end-tag",
+        "(1,56): unexpected-end-tag",
+        "(1,61): unexpected-end-tag",
+        "(1,69): unexpected-end-tag",
+        "(1,74): unexpected-end-tag",
+        "(1,82): unexpected-end-tag",
+        "(1,87): unexpected-end-tag",
+        "(1,87): eof-in-table"
+      ],
+      "document": {
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+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table></table></body></html>",
+        "noQuirksBodyHtml": "<table></table>"
+      }
+    },
+    {
+      "data": "</table><tr>",
+      "errors": [
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+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<tbody><tr></tr></tbody>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body></body></html>",
+      "errors": [
+        "(1,20): unexpected-end-tag-after-body-innerhtml"
+      ],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
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+            "tag": "head"
+          },
+          {
+            "tag": "body"
+          }
+        ],
+        "html": "<head></head><body></body>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<html><frameset></frameset></html> ",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              },
+              {
+                "text": " "
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset> </html>",
+        "noQuirksBodyHtml": " "
+      }
+    },
+    {
+      "data": "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01//EN\"><html></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html \"-//W3C//DTD HTML 4.01//EN\" \"\""
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<param><frameset></frameset>",
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+        "(1,17): unexpected-start-tag"
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+      "document": {
+        "props": {
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+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<param>"
+      }
+    },
+    {
+      "data": "<source><frameset></frameset>",
+      "errors": [
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+        "(1,18): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
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+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<source>"
+      }
+    },
+    {
+      "data": "<track><frameset></frameset>",
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+        "(1,17): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<track>"
+      }
+    },
+    {
+      "data": "</html><frameset></frameset>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-end-tag",
+        "(1,17): expected-eof-but-got-start-tag",
+        "(1,17): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "</body><frameset></frameset>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-end-tag",
+        "(1,17): unexpected-start-tag-after-body",
+        "(1,17): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": ""
+      }
+    }
+  ],
+  "tests7.dat": [
+    {
+      "data": "<!doctype html><body><title>X</title>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "title": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><title>X</title></body></html>",
+        "noQuirksBodyHtml": "<title>X</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><title>X</title></table>",
+      "errors": [
+        "(1,29): unexpected-start-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "title": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><title>X</title><table></table></body></html>",
+        "noQuirksBodyHtml": "<title>X</title><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><head></head><title>X</title>",
+      "errors": [
+        "(1,35): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>X</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>X</title>"
+      }
+    },
+    {
+      "data": "<!doctype html></head><title>X</title>",
+      "errors": [
+        "(1,29): unexpected-start-tag-out-of-my-head"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "title": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head",
+                "children": [
+                  {
+                    "tag": "title",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head><title>X</title></head><body></body></html>",
+        "noQuirksBodyHtml": "<title>X</title>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><meta></table>",
+      "errors": [
+        "(1,28): unexpected-start-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "meta": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "meta"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><meta><table></table></body></html>",
+        "noQuirksBodyHtml": "<meta><table></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table>X<tr><td><table> <meta></table></table>",
+      "errors": [
+        "unexpected text in table",
+        "(1,45): unexpected-start-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "meta": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "meta"
+                                  },
+                                  {
+                                    "tag": "table",
+                                    "children": [
+                                      {
+                                        "text": " "
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X<table><tbody><tr><td><meta><table> </table></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "X<table><tbody><tr><td><meta><table> </table></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><html> <head>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": " "
+      }
+    },
+    {
+      "data": "<!doctype html> <head>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": " "
+      }
+    },
+    {
+      "data": "<!doctype html><table><style> <tr>x </style> </table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "style": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "style",
+                        "children": [
+                          {
+                            "text": " <tr>x ",
+                            "no_escape": true
+                          }
+                        ]
+                      },
+                      {
+                        "text": " "
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><style> <tr>x </style> </table></body></html>",
+        "noQuirksBodyHtml": "<table><style> <tr>x </style> </table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><TBODY><script> <tr>x </script> </table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "script": true
+          },
+          "doctype": true,
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "script",
+                            "children": [
+                              {
+                                "text": " <tr>x ",
+                                "no_escape": true
+                              }
+                            ]
+                          },
+                          {
+                            "text": " "
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><script> <tr>x </script> </tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><script> <tr>x </script> </tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><applet><p>X</p></applet>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "applet": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "applet",
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "X"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><applet><p>X</p></applet></p></body></html>",
+        "noQuirksBodyHtml": "<p><applet><p>X</p></applet></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><p><object type=\"application/x-non-existant-plugin\"><p>X</p></object>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "object": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "object",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "application/x-non-existant-plugin"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "X"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><p><object type=\"application/x-non-existant-plugin\"><p>X</p></object></p></body></html>",
+        "noQuirksBodyHtml": "<p><object type=\"application/x-non-existant-plugin\"><p>X</p></object></p>"
+      }
+    },
+    {
+      "data": "<!doctype html><listing>\nX</listing>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "listing": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "listing",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><listing>X</listing></body></html>",
+        "noQuirksBodyHtml": "<listing>X</listing>"
+      }
+    },
+    {
+      "data": "<!doctype html><select><input>X",
+      "errors": [
+        "(1,30): unexpected-input-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "input"
+                  },
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select><input>X</body></html>",
+        "noQuirksBodyHtml": "<select></select><input>X"
+      }
+    },
+    {
+      "data": "<!doctype html><select><select>X",
+      "errors": [
+        "(1,31): unexpected-select-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "text": "X"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select>X</body></html>",
+        "noQuirksBodyHtml": "<select></select>X"
+      }
+    },
+    {
+      "data": "<!doctype html><table><input type=hidDEN></table>",
+      "errors": [
+        "(1,41): unexpected-hidden-input-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidDEN"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><input type=\"hidDEN\"></table></body></html>",
+        "noQuirksBodyHtml": "<table><input type=\"hidDEN\"></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table>X<input type=hidDEN></table>",
+      "errors": [
+        "(1,23): foster-parenting-character",
+        "(1,42): unexpected-hidden-input-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "X"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidDEN"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body>X<table><input type=\"hidDEN\"></table></body></html>",
+        "noQuirksBodyHtml": "X<table><input type=\"hidDEN\"></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table>  <input type=hidDEN></table>",
+      "errors": [
+        "(1,43): unexpected-hidden-input-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "text": "  "
+                      },
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidDEN"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table>  <input type=\"hidDEN\"></table></body></html>",
+        "noQuirksBodyHtml": "<table>  <input type=\"hidDEN\"></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table>  <input type='hidDEN'></table>",
+      "errors": [
+        "(1,45): unexpected-hidden-input-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "text": "  "
+                      },
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidDEN"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table>  <input type=\"hidDEN\"></table></body></html>",
+        "noQuirksBodyHtml": "<table>  <input type=\"hidDEN\"></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><input type=\" hidden\"><input type=hidDEN></table>",
+      "errors": [
+        "(1,44): unexpected-start-tag-implies-table-voodoo",
+        "(1,63): unexpected-hidden-input-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "input": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": " hidden"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "input",
+                        "attrs": [
+                          {
+                            "name": "type",
+                            "value": "hidDEN"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><input type=\" hidden\"><table><input type=\"hidDEN\"></table></body></html>",
+        "noQuirksBodyHtml": "<input type=\" hidden\"><table><input type=\"hidDEN\"></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><table><select>X<tr>",
+      "errors": [
+        "(1,30): unexpected-start-tag-implies-table-voodoo",
+        "(1,35): unexpected-table-element-start-tag-in-select-in-table",
+        "(1,35): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select>X</select><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<select>X</select><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!doctype html><select>X</select>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "text": "X"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select>X</select></body></html>",
+        "noQuirksBodyHtml": "<select>X</select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE hTmL><html></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<!DOCTYPE HTML><html></html>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body>X</body></body>",
+      "errors": [
+        "(1,21): unexpected-end-tag-after-body"
+      ],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "head"
+          },
+          {
+            "tag": "body",
+            "children": [
+              {
+                "text": "X"
+              }
+            ]
+          }
+        ],
+        "html": "<head></head><body>X</body>",
+        "noQuirksBodyHtml": "X"
+      }
+    },
+    {
+      "data": "<div><p>a</x> b",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,13): unexpected-end-tag",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "text": "a b"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><p>a b</p></div></body></html>",
+        "noQuirksBodyHtml": "<div><p>a b</p></div>"
+      }
+    },
+    {
+      "data": "<table><tr><td><code></code> </table>",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "code": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "code"
+                                  },
+                                  {
+                                    "text": " "
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><code></code> </td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><code></code> </td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><b><tr><td>aaa</td></tr>bbb</table>ccc",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,10): foster-parenting-start-tag",
+        "(1,32): foster-parenting-character",
+        "(1,33): foster-parenting-character",
+        "(1,34): foster-parenting-character",
+        "(1,45): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "bbb"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "aaa"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "ccc"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b></b><b>bbb</b><table><tbody><tr><td>aaa</td></tr></tbody></table><b>ccc</b></body></html>",
+        "noQuirksBodyHtml": "<b></b><b>bbb</b><table><tbody><tr><td>aaa</td></tr></tbody></table><b>ccc</b>"
+      }
+    },
+    {
+      "data": "A<table><tr> B</tr> B</table>",
+      "errors": [
+        "(1,1): expected-doctype-but-got-chars",
+        "(1,13): foster-parenting-character",
+        "(1,14): foster-parenting-character",
+        "(1,20): foster-parenting-character",
+        "(1,21): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A B B"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>A B B<table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "A B B<table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "A<table><tr> B</tr> </em>C</table>",
+      "errors": [
+        "(1,1): expected-doctype-but-got-chars",
+        "(1,13): foster-parenting-character",
+        "(1,14): foster-parenting-character",
+        "(1,20): foster-parenting-character",
+        "(1,25): unexpected-end-tag",
+        "(1,26): foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A BC"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          },
+                          {
+                            "text": " "
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>A BC<table><tbody><tr></tr> </tbody></table></body></html>",
+        "noQuirksBodyHtml": "A BC<table><tbody><tr></tr> </tbody></table>"
+      }
+    },
+    {
+      "data": "<select><keygen>",
+      "errors": [
+        "(1,8): expected-doctype-but-got-start-tag",
+        "(1,16): unexpected-input-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "keygen": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  },
+                  {
+                    "tag": "keygen"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><select></select><keygen></body></html>",
+        "noQuirksBodyHtml": "<select></select><keygen>"
+      }
+    }
+  ],
+  "tests8.dat": [
+    {
+      "data": "<div>\n<div></div>\n</span>x",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(3,7): unexpected-end-tag",
+        "(3,8): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "\n"
+                      },
+                      {
+                        "tag": "div"
+                      },
+                      {
+                        "text": "\nx"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>\n<div></div>\nx</div></body></html>",
+        "noQuirksBodyHtml": "<div>\n<div></div>\nx</div>"
+      }
+    },
+    {
+      "data": "<div>x<div></div>\n</span>x",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(2,7): unexpected-end-tag",
+        "(2,8): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "x"
+                      },
+                      {
+                        "tag": "div"
+                      },
+                      {
+                        "text": "\nx"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>x<div></div>\nx</div></body></html>",
+        "noQuirksBodyHtml": "<div>x<div></div>\nx</div>"
+      }
+    },
+    {
+      "data": "<div>x<div></div>x</span>x",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,25): unexpected-end-tag",
+        "(1,26): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "x"
+                      },
+                      {
+                        "tag": "div"
+                      },
+                      {
+                        "text": "xx"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>x<div></div>xx</div></body></html>",
+        "noQuirksBodyHtml": "<div>x<div></div>xx</div>"
+      }
+    },
+    {
+      "data": "<div>x<div></div>y</span>z",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,25): unexpected-end-tag",
+        "(1,26): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "x"
+                      },
+                      {
+                        "tag": "div"
+                      },
+                      {
+                        "text": "yz"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>x<div></div>yz</div></body></html>",
+        "noQuirksBodyHtml": "<div>x<div></div>yz</div>"
+      }
+    },
+    {
+      "data": "<table><div>x<div></div>x</span>x",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,12): foster-parenting-start-tag",
+        "(1,13): foster-parenting-character",
+        "(1,18): foster-parenting-start-tag",
+        "(1,24): foster-parenting-end-tag",
+        "(1,25): foster-parenting-start-tag",
+        "(1,32): foster-parenting-end-tag",
+        "(1,32): unexpected-end-tag",
+        "(1,33): foster-parenting-character",
+        "(1,33): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "x"
+                      },
+                      {
+                        "tag": "div"
+                      },
+                      {
+                        "text": "xx"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>x<div></div>xx</div><table></table></body></html>",
+        "noQuirksBodyHtml": "<div>x<div></div>xx</div><table></table>"
+      }
+    },
+    {
+      "data": "x<table>x",
+      "errors": [
+        "(1,1): expected-doctype-but-got-chars",
+        "(1,9): foster-parenting-character",
+        "(1,9): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "xx"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>xx<table></table></body></html>",
+        "noQuirksBodyHtml": "xx<table></table>"
+      }
+    },
+    {
+      "data": "x<table><table>x",
+      "errors": [
+        "(1,1): expected-doctype-but-got-chars",
+        "(1,15): unexpected-start-tag-implies-end-tag",
+        "(1,16): foster-parenting-character",
+        "(1,16): eof-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>x<table></table>x<table></table></body></html>",
+        "noQuirksBodyHtml": "x<table></table>x<table></table>"
+      }
+    },
+    {
+      "data": "<b>a<div></div><div></b>y",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,24): adoption-agency-1.3",
+        "(1,25): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "a"
+                      },
+                      {
+                        "tag": "div"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b"
+                      },
+                      {
+                        "text": "y"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b>a<div></div></b><div><b></b>y</div></body></html>",
+        "noQuirksBodyHtml": "<b>a<div></div></b><div><b></b>y</div>"
+      }
+    },
+    {
+      "data": "<a><div><p></a>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,15): adoption-agency-1.3",
+        "(1,15): adoption-agency-1.3",
+        "(1,15): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true,
+            "div": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a"
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "a"
+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "a"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a></a><div><a></a><p><a></a></p></div></body></html>",
+        "noQuirksBodyHtml": "<a></a><div><a></a><p><a></a></p></div>"
+      }
+    }
+  ],
+  "tests9.dat": [
+    {
+      "data": "<!DOCTYPE html><math></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math></math></body></html>",
+        "noQuirksBodyHtml": "<math></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><math></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math></math></body></html>",
+        "noQuirksBodyHtml": "<math></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><math><mi>",
+      "errors": [
+        "(1,25) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi></mi></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><math><annotation-xml><svg><u>",
+      "errors": [
+        "(1,45) unexpected-html-element-in-foreign-content",
+        "(1,45) expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math annotation-xml": true,
+            "svg svg": true,
+            "u": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "annotation-xml",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "u"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><annotation-xml><svg></svg></annotation-xml></math><u></u></body></html>",
+        "noQuirksBodyHtml": "<math><annotation-xml><svg><u></u></svg></annotation-xml></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><select><math></math></select>",
+      "errors": [
+        "(1,35) unexpected-start-tag-in-select",
+        "(1,42) unexpected-end-tag-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select></select></body></html>",
+        "noQuirksBodyHtml": "<select></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><select><option><math></math></option></select>",
+      "errors": [
+        "(1,43) unexpected-start-tag-in-select",
+        "(1,50) unexpected-end-tag-in-select"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "option": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "tag": "option"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select><option></option></select></body></html>",
+        "noQuirksBodyHtml": "<select><option></option></select>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><math></math></table>",
+      "errors": [
+        "(1,34) unexpected-start-tag-implies-table-voodoo"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math></math><table></table></body></html>",
+        "noQuirksBodyHtml": "<math></math><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><math><mi>foo</mi></math></table>",
+      "errors": [
+        "(1,34) foster-parenting-start-token",
+        "(1,39) foster-parenting-character",
+        "(1,40) foster-parenting-character",
+        "(1,41) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi></math><table></table></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi></math><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><math><mi>foo</mi><mi>bar</mi></math></table>",
+      "errors": [
+        "(1,34) foster-parenting-start-tag",
+        "(1,39) foster-parenting-character",
+        "(1,40) foster-parenting-character",
+        "(1,41) foster-parenting-character",
+        "(1,51) foster-parenting-character",
+        "(1,52) foster-parenting-character",
+        "(1,53) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "table": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><table></table></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi></math><table></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><math><mi>foo</mi><mi>bar</mi></math></tbody></table>",
+      "errors": [
+        "(1,41) foster-parenting-start-tag",
+        "(1,46) foster-parenting-character",
+        "(1,47) foster-parenting-character",
+        "(1,48) foster-parenting-character",
+        "(1,58) foster-parenting-character",
+        "(1,59) foster-parenting-character",
+        "(1,60) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "table": true,
+            "tbody": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><table><tbody></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi></math><table><tbody></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><math><mi>foo</mi><mi>bar</mi></math></tr></tbody></table>",
+      "errors": [
+        "(1,45) foster-parenting-start-tag",
+        "(1,50) foster-parenting-character",
+        "(1,51) foster-parenting-character",
+        "(1,52) foster-parenting-character",
+        "(1,62) foster-parenting-character",
+        "(1,63) foster-parenting-character",
+        "(1,64) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "table": true,
+            "tbody": true,
+            "tr": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi></math><table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math></td></tr></tbody></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "math math": true,
+            "math mi": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "math",
+                                    "ns": "http://www.w3.org/1998/Math/MathML",
+                                    "children": [
+                                      {
+                                        "tag": "mi",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "text": "foo"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "mi",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "text": "bar"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math><p>baz</td></tr></tbody></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "math",
+                                    "ns": "http://www.w3.org/1998/Math/MathML",
+                                    "children": [
+                                      {
+                                        "tag": "mi",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "text": "foo"
+                                          }
+                                        ]
+                                      },
+                                      {
+                                        "tag": "mi",
+                                        "ns": "http://www.w3.org/1998/Math/MathML",
+                                        "children": [
+                                          {
+                                            "text": "bar"
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  },
+                                  {
+                                    "tag": "p",
+                                    "children": [
+                                      {
+                                        "text": "baz"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi></math><p>baz</caption></table>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "math",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></caption></table></body></html>",
+        "noQuirksBodyHtml": "<table><caption><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></caption></table>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux",
+      "errors": [
+        "(1,70) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "math",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "p",
+                            "children": [
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></caption></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><caption><math><mi>foo</mi><mi>bar</mi><p>baz</p></math></caption></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><caption><math><mi>foo</mi><mi>bar</mi>baz</table><p>quux",
+      "errors": [
+        "(1,78) unexpected-end-tag",
+        "(1,78) expected-one-end-tag-but-got-another"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "caption": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "caption",
+                        "children": [
+                          {
+                            "tag": "math",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "foo"
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "mi",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "bar"
+                                  }
+                                ]
+                              },
+                              {
+                                "text": "baz"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><caption><math><mi>foo</mi><mi>bar</mi>baz</math></caption></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><caption><math><mi>foo</mi><mi>bar</mi>baz</math></caption></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><colgroup><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux",
+      "errors": [
+        "(1,44) foster-parenting-start-tag",
+        "(1,49) foster-parenting-character",
+        "(1,50) foster-parenting-character",
+        "(1,51) foster-parenting-character",
+        "(1,61) foster-parenting-character",
+        "(1,62) foster-parenting-character",
+        "(1,63) foster-parenting-character",
+        "(1,71) unexpected-html-element-in-foreign-content",
+        "(1,71) foster-parenting-start-tag",
+        "(1,63) foster-parenting-character",
+        "(1,63) foster-parenting-character",
+        "(1,63) foster-parenting-character"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "p": true,
+            "table": true,
+            "colgroup": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "colgroup"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><p>baz</p><table><colgroup></colgroup></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi><p>baz</p></math><table><colgroup></colgroup></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><tr><td><select><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux",
+      "errors": [
+        "(1,50) unexpected-start-tag-in-select",
+        "(1,54) unexpected-start-tag-in-select",
+        "(1,62) unexpected-end-tag-in-select",
+        "(1,66) unexpected-start-tag-in-select",
+        "(1,74) unexpected-end-tag-in-select",
+        "(1,77) unexpected-start-tag-in-select",
+        "(1,88) unexpected-table-element-end-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "select": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "select",
+                                    "children": [
+                                      {
+                                        "text": "foobarbaz"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><table><tbody><tr><td><select>foobarbaz</select></td></tr></tbody></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><select>foobarbaz</select></td></tr></tbody></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body><table><select><math><mi>foo</mi><mi>bar</mi><p>baz</table><p>quux",
+      "errors": [
+        "(1,36) unexpected-start-tag-implies-table-voodoo",
+        "(1,42) unexpected-start-tag-in-select",
+        "(1,46) unexpected-start-tag-in-select",
+        "(1,54) unexpected-end-tag-in-select",
+        "(1,58) unexpected-start-tag-in-select",
+        "(1,66) unexpected-end-tag-in-select",
+        "(1,69) unexpected-start-tag-in-select",
+        "(1,80) unexpected-table-element-end-tag-in-select-in-table"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "select": true,
+            "table": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "select",
+                    "children": [
+                      {
+                        "text": "foobarbaz"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "table"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "quux"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><select>foobarbaz</select><table></table><p>quux</p></body></html>",
+        "noQuirksBodyHtml": "<select>foobarbaz</select><table></table><p>quux</p>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body></body></html><math><mi>foo</mi><mi>bar</mi><p>baz",
+      "errors": [
+        "(1,41) expected-eof-but-got-start-tag",
+        "(1,68) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi><p>baz</p></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body></body><math><mi>foo</mi><mi>bar</mi><p>baz",
+      "errors": [
+        "(1,34) unexpected-start-tag-after-body",
+        "(1,61) unexpected-html-element-in-foreign-content"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true,
+            "p": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "foo"
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "text": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "baz"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><math><mi>foo</mi><mi>bar</mi></math><p>baz</p></body></html>",
+        "noQuirksBodyHtml": "<math><mi>foo</mi><mi>bar</mi><p>baz</p></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset><math><mi></mi><mi></mi><p><span>",
+      "errors": [
+        "(1,31) unexpected-start-tag-in-frameset",
+        "(1,35) unexpected-start-tag-in-frameset",
+        "(1,40) unexpected-end-tag-in-frameset",
+        "(1,44) unexpected-start-tag-in-frameset",
+        "(1,49) unexpected-end-tag-in-frameset",
+        "(1,52) unexpected-start-tag-in-frameset",
+        "(1,58) unexpected-start-tag-in-frameset",
+        "(1,58) eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<math><mi></mi><mi></mi><p><span></span></p></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><frameset></frameset><math><mi></mi><mi></mi><p><span>",
+      "errors": [
+        "(1,42) unexpected-start-tag-after-frameset",
+        "(1,46) unexpected-start-tag-after-frameset",
+        "(1,51) unexpected-end-tag-after-frameset",
+        "(1,55) unexpected-start-tag-after-frameset",
+        "(1,60) unexpected-end-tag-after-frameset",
+        "(1,63) unexpected-start-tag-after-frameset",
+        "(1,69) unexpected-start-tag-after-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<math><mi></mi><mi></mi><p><span></span></p></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo><math xlink:href=foo></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "attrs": [
+                      {
+                        "name": "href",
+                        "ns": "http://www.w3.org/1999/xlink",
+                        "value": "foo"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\"><math xlink:href=\"foo\"></math></body></html>",
+        "noQuirksBodyHtml": "<math xlink:href=\"foo\"></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo></mi></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo /></math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi></math></body></html>",
+        "noQuirksBodyHtml": "<math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi></math>"
+      }
+    },
+    {
+      "data": "<!DOCTYPE html><body xlink:href=foo xml:lang=en><math><mi xml:lang=en xlink:href=foo />bar</math>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mi": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "xlink:href",
+                    "value": "foo"
+                  },
+                  {
+                    "name": "xml:lang",
+                    "value": "en"
+                  }
+                ],
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mi",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "attrs": [
+                          {
+                            "name": "href",
+                            "ns": "http://www.w3.org/1999/xlink",
+                            "value": "foo"
+                          },
+                          {
+                            "name": "lang",
+                            "ns": "http://www.w3.org/XML/1998/namespace",
+                            "value": "en"
+                          }
+                        ]
+                      },
+                      {
+                        "text": "bar"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body xlink:href=\"foo\" xml:lang=\"en\"><math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi>bar</math></body></html>",
+        "noQuirksBodyHtml": "<math><mi xml:lang=\"en\" xlink:href=\"foo\"></mi>bar</math>"
+      }
+    }
+  ],
+  "tests_innerHTML_1.dat": [
+    {
+      "data": "<body><span>",
+      "errors": [
+        "(1,6): unexpected-start-tag",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "body"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span><body>",
+      "errors": [
+        "(1,12): unexpected-start-tag",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "body"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span><body>",
+      "errors": [
+        "(1,12): unexpected-start-tag",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<body><span>",
+      "errors": [
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "body": true,
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "head"
+          },
+          {
+            "tag": "body",
+            "children": [
+              {
+                "tag": "span"
+              }
+            ]
+          }
+        ],
+        "html": "<head></head><body><span></span></body>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<frameset><span>",
+      "errors": [
+        "(1,10): unexpected-start-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "body"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span><frameset>",
+      "errors": [
+        "(1,16): unexpected-start-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "body"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span><frameset>",
+      "errors": [
+        "(1,16): unexpected-start-tag",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<frameset><span>",
+      "errors": [
+        "(1,16): unexpected-start-tag-in-frameset",
+        "(1,16): eof-in-frameset"
+      ],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "frameset": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "head"
+          },
+          {
+            "tag": "frameset"
+          }
+        ],
+        "html": "<head></head><frameset></frameset>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<table><tr>",
+      "errors": [
+        "(1,7): unexpected-start-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<tbody><tr></tr></tbody>",
+        "noQuirksBodyHtml": "<table><tbody><tr></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "</table><tr>",
+      "errors": [
+        "(1,8): unexpected-end-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<tbody><tr></tr></tbody>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<a>",
+      "errors": [
+        "(1,3): unexpected-start-tag-implies-table-voodoo",
+        "(1,3): eof-in-table"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          }
+        ],
+        "html": "<a></a>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a>",
+      "errors": [
+        "(1,3): unexpected-start-tag-implies-table-voodoo",
+        "(1,3): eof-in-table"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          }
+        ],
+        "html": "<a></a>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><caption>a",
+      "errors": [
+        "(1,3): unexpected-start-tag-implies-table-voodoo",
+        "(1,13): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "caption": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "caption",
+            "children": [
+              {
+                "text": "a"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><caption>a</caption>",
+        "noQuirksBodyHtml": "<a>a</a>"
+      }
+    },
+    {
+      "data": "<a><colgroup><col>",
+      "errors": [
+        "(1,3): foster-parenting-start-token",
+        "(1,18): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "colgroup": true,
+            "col": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "colgroup",
+            "children": [
+              {
+                "tag": "col"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><colgroup><col></colgroup>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><tbody><tr>",
+      "errors": [
+        "(1,3): foster-parenting-start-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><tbody><tr></tr></tbody>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><tfoot><tr>",
+      "errors": [
+        "(1,3): foster-parenting-start-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "tfoot": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "tfoot",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><tfoot><tr></tr></tfoot>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><thead><tr>",
+      "errors": [
+        "(1,3): foster-parenting-start-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "thead": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "thead",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><thead><tr></tr></thead>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><tr>",
+      "errors": [
+        "(1,3): foster-parenting-start-tag"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "tbody": true,
+            "tr": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr"
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><tbody><tr></tr></tbody>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><th>",
+      "errors": [
+        "(1,3): unexpected-start-tag-implies-table-voodoo",
+        "(1,7): unexpected-cell-in-table-body"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "tbody": true,
+            "tr": true,
+            "th": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr",
+                "children": [
+                  {
+                    "tag": "th"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><tbody><tr><th></th></tr></tbody>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<a><td>",
+      "errors": [
+        "(1,3): unexpected-start-tag-implies-table-voodoo",
+        "(1,7): unexpected-cell-in-table-body"
+      ],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "a": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "a"
+          },
+          {
+            "tag": "tbody",
+            "children": [
+              {
+                "tag": "tr",
+                "children": [
+                  {
+                    "tag": "td"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<a></a><tbody><tr><td></td></tr></tbody>",
+        "noQuirksBodyHtml": "<a></a>"
+      }
+    },
+    {
+      "data": "<table></table><tbody>",
+      "errors": [
+        "(1,22): unexpected-start-tag"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "table"
+          }
+        ],
+        "html": "<table></table>",
+        "noQuirksBodyHtml": "<table></table>"
+      }
+    },
+    {
+      "data": "</table><span>",
+      "errors": [
+        "(1,8): unexpected-end-tag",
+        "(1,14): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span></table>",
+      "errors": [
+        "(1,14): unexpected-end-tag",
+        "(1,14): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "</caption><span>",
+      "errors": [
+        "(1,10): XXX-undefined-error",
+        "(1,16): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span"
+          }
+        ],
+        "html": "<span></span>",
+        "noQuirksBodyHtml": "<span></span>"
+      }
+    },
+    {
+      "data": "<span></caption><span>",
+      "errors": [
+        "(1,16): XXX-undefined-error",
+        "(1,22): expected-closing-tag-but-got-eof"
+      ],
+      "fragment": {
+        "name": "caption"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "span": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "span",
+            "children": [
+              {
+                "tag": "span"
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+      "data": "</td><a>",
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+            "option": true
+          }
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+            "tag": "option"
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+        "html": "<option></option>",
+        "noQuirksBodyHtml": "<option></option>"
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+    },
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+      "data": "<input><option>",
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+      "data": "<keygen><option>",
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+      }
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+      "data": "<textarea><option>",
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+          }
+        ],
+        "html": "<option></option>",
+        "noQuirksBodyHtml": "<textarea>&lt;option&gt;</textarea>"
+      }
+    },
+    {
+      "data": "</html><!--abc-->",
+      "errors": [
+        "(1,7): unexpected-end-tag-after-body-innerhtml"
+      ],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "head": true,
+            "body": true
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+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "head"
+          },
+          {
+            "tag": "body"
+          },
+          {
+            "comment": "abc"
+          }
+        ],
+        "html": "<head></head><body></body><!--abc-->",
+        "noQuirksBodyHtml": "<!--abc-->"
+      }
+    },
+    {
+      "data": "</frameset><frame>",
+      "errors": [
+        "(1,11): unexpected-frameset-in-frameset-innerhtml"
+      ],
+      "fragment": {
+        "name": "frameset"
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+      "document": {
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+          "tags": {
+            "frame": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "frame"
+          }
+        ],
+        "html": "<frame>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "",
+      "errors": [],
+      "fragment": {
+        "name": "html"
+      },
+      "document": {
+        "props": {
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+            "head": true,
+            "body": true
+          }
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+          },
+          {
+            "tag": "body"
+          }
+        ],
+        "html": "<head></head><body></body>",
+        "noQuirksBodyHtml": ""
+      }
+    }
+  ],
+  "tricky01.dat": [
+    {
+      "data": "<b><p>Bold </b> Not bold</p>\nAlso not bold.",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,15): adoption-agency-1.3"
+      ],
+      "document": {
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+            "body": true,
+            "b": true,
+            "p": true
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+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "text": "Bold "
+                          }
+                        ]
+                      },
+                      {
+                        "text": " Not bold"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\nAlso not bold."
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b></b><p><b>Bold </b> Not bold</p>\nAlso not bold.</body></html>",
+        "noQuirksBodyHtml": "<b></b><p><b>Bold </b> Not bold</p>\nAlso not bold."
+      }
+    },
+    {
+      "data": "<html>\n<font color=red><i>Italic and Red<p>Italic and Red </font> Just italic.</p> Italic only.</i> Plain\n<p>I should not be red. <font color=red>Red. <i>Italic and red.</p>\n<p>Italic and red. </i> Red.</font> I should not be red.</p>\n<b>Bold <i>Bold and italic</b> Only Italic </i> Plain",
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+        "(2,58): adoption-agency-1.3",
+        "(3,67): unexpected-end-tag",
+        "(4,23): adoption-agency-1.3",
+        "(4,35): adoption-agency-1.3",
+        "(5,30): adoption-agency-1.3"
+      ],
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+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "font",
+                    "attrs": [
+                      {
+                        "name": "color",
+                        "value": "red"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": "Italic and Red"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
+                            "tag": "font",
+                            "attrs": [
+                              {
+                                "name": "color",
+                                "value": "red"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "text": "Italic and Red "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " Just italic."
+                          }
+                        ]
+                      },
+                      {
+                        "text": " Italic only."
+                      }
+                    ]
+                  },
+                  {
+                    "text": " Plain\n"
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "I should not be red. "
+                      },
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "color",
+                            "value": "red"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "text": "Red. "
+                          },
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "Italic and red."
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "font",
+                    "attrs": [
+                      {
+                        "name": "color",
+                        "value": "red"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": "\n"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "tag": "font",
+                        "attrs": [
+                          {
+                            "name": "color",
+                            "value": "red"
+                          }
+                        ],
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
+                                "text": "Italic and red. "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " Red."
+                          }
+                        ]
+                      },
+                      {
+                        "text": " I should not be red."
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\n"
+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "text": "Bold "
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": "Bold and italic"
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "i",
+                    "children": [
+                      {
+                        "text": " Only Italic "
+                      }
+                    ]
+                  },
+                  {
+                    "text": " Plain"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><font color=\"red\"><i>Italic and Red</i></font><i><p><font color=\"red\">Italic and Red </font> Just italic.</p> Italic only.</i> Plain\n<p>I should not be red. <font color=\"red\">Red. <i>Italic and red.</i></font></p><font color=\"red\"><i>\n</i></font><p><font color=\"red\"><i>Italic and red. </i> Red.</font> I should not be red.</p>\n<b>Bold <i>Bold and italic</i></b><i> Only Italic </i> Plain</body></html>",
+        "noQuirksBodyHtml": "\n<font color=\"red\"><i>Italic and Red</i></font><i><p><font color=\"red\">Italic and Red </font> Just italic.</p> Italic only.</i> Plain\n<p>I should not be red. <font color=\"red\">Red. <i>Italic and red.</i></font></p><font color=\"red\"><i>\n</i></font><p><font color=\"red\"><i>Italic and red. </i> Red.</font> I should not be red.</p>\n<b>Bold <i>Bold and italic</i></b><i> Only Italic </i> Plain"
+      }
+    },
+    {
+      "data": "<html><body>\n<p><font size=\"7\">First paragraph.</p>\n<p>Second paragraph.</p></font>\n<b><p><i>Bold and Italic</b> Italic</p>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(2,38): unexpected-end-tag",
+        "(4,28): adoption-agency-1.3",
+        "(4,28): adoption-agency-1.3",
+        "(4,39): unexpected-end-tag"
+      ],
+      "document": {
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+                        "tag": "font",
+                        "attrs": [
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+                            "name": "size",
+                            "value": "7"
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+                        ],
+                        "children": [
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+                    ]
+                  },
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+                    "children": [
+                      {
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+                      },
+                      {
+                        "tag": "p",
+                        "children": [
+                          {
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+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "i",
+                            "children": [
+                              {
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+                              }
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+                          }
+                        ]
+                      },
+                      {
+                        "tag": "i",
+                        "children": [
+                          {
+                            "text": " Italic"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>\n<p><font size=\"7\">First paragraph.</font></p><font size=\"7\">\n<p>Second paragraph.</p></font>\n<b></b><p><b><i>Bold and Italic</i></b><i> Italic</i></p></body></html>",
+        "noQuirksBodyHtml": "\n<p><font size=\"7\">First paragraph.</font></p><font size=\"7\">\n<p>Second paragraph.</p></font>\n<b></b><p><b><i>Bold and Italic</i></b><i> Italic</i></p>"
+      }
+    },
+    {
+      "data": "<html>\n<dl>\n<dt><b>Boo\n<dd>Goo?\n</dl>\n</html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(4,4): end-tag-too-early",
+        "(5,5): end-tag-too-early",
+        "(6,7): expected-one-end-tag-but-got-another"
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+      "document": {
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+                      },
+                      {
+                        "tag": "dt",
+                        "children": [
+                          {
+                            "tag": "b",
+                            "children": [
+                              {
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+                              }
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+                      {
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+                        "children": [
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+                            "tag": "b",
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+                      }
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+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><dl>\n<dt><b>Boo\n</b></dt><dd><b>Goo?\n</b></dd></dl><b>\n</b></body></html>",
+        "noQuirksBodyHtml": "\n<dl>\n<dt><b>Boo\n</b></dt><dd><b>Goo?\n</b></dd></dl><b>\n</b>"
+      }
+    },
+    {
+      "data": "<html><body>\n<label><a><div>Hello<div>World</div></a></label>  \n</body></html>",
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+        "(2,40): adoption-agency-1.3",
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+                  {
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+                      {
+                        "tag": "a"
+                      },
+                      {
+                        "tag": "div",
+                        "children": [
+                          {
+                            "tag": "a",
+                            "children": [
+                              {
+                                "text": "Hello"
+                              },
+                              {
+                                "tag": "div",
+                                "children": [
+                                  {
+                                    "text": "World"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "text": "  \n"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>\n<label><a></a><div><a>Hello<div>World</div></a>  \n</div></label></body></html>",
+        "noQuirksBodyHtml": "\n<label><a></a><div><a>Hello<div>World</div></a>  \n</div></label>"
+      }
+    },
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+        "(1,16): foster-parenting-character",
+        "(1,22): foster-parenting-start-tag",
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+        "(1,33): foster-parenting-character",
+        "(1,38): foster-parenting-start-tag"
+      ],
+      "document": {
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+                "tag": "body",
+                "children": [
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+                    "tag": "center",
+                    "children": [
+                      {
+                        "text": " "
+                      },
+                      {
+                        "tag": "font",
+                        "children": [
+                          {
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+                          }
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+                      {
+                        "tag": "tbody",
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+                            "tag": "tr",
+                            "children": [
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+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": " "
+                                  }
+                                ]
+                              },
+                              {
+                                "text": " "
+                              }
+                            ]
+                          },
+                          {
+                            "text": " "
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><center> <font>a</font></center><font><img> </font><table> <tbody><tr><td> </td> </tr> </tbody></table></body></html>",
+        "noQuirksBodyHtml": "<center> <font>a</font></center><font><img> </font><table> <tbody><tr><td> </td> </tr> </tbody></table>"
+      }
+    },
+    {
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+        "(1,17): unexpected-start-tag-implies-table-voodoo",
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+        "(1,30): foster-parenting-character",
+        "(1,31): foster-parenting-character",
+        "(1,32): foster-parenting-character",
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+        "(1,35): foster-parenting-character",
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+      "document": {
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+                      {
+                        "tag": "a",
+                        "children": [
+                          {
+                            "text": "You should see this text."
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
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+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p><a></a></p><p><a>You should see this text.</a></p><table><tbody><tr></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<p><a></a></p><p><a>You should see this text.</a></p><table><tbody><tr></tr></tbody></table>"
+      }
+    },
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+        "(4,6): unexpected-start-tag-implies-table-voodoo",
+        "(4,6): unexpected character token in table (the newline)",
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+        "(6,4): unexpected p end tag",
+        "(7,10): adoption-agency-1.3",
+        "(7,20): adoption-agency-1.3",
+        "(8,57): expected-closing-tag-but-got-eof"
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+                      },
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "text": "\n"
+                              },
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "tr",
+                            "children": [
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+                                "text": "\n"
+                              }
+                            ]
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+                      }
+                    ]
+                  },
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+                    "tag": "table",
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+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr"
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+                  },
+                  {
+                    "tag": "font",
+                    "children": [
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+                      },
+                      {
+                        "tag": "p"
+                      },
+                      {
+                        "text": "\n"
+                      },
+                      {
+                        "tag": "a"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "tag": "font"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "font",
+                    "children": [
+                      {
+                        "text": "\nThis page contains an insanely badly-nested tag sequence."
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><center><center></center></center><font>\n</font><table>\n<tbody><tr>\n<td></td></tr><tr>\n</tr></tbody></table><table><tbody><tr></tr></tbody></table><font>\n<p></p>\n<a></a></font><a><font></font></a><font>\nThis page contains an insanely badly-nested tag sequence.</font></body></html>",
+        "noQuirksBodyHtml": "<center><center></center></center><font>\n</font><table>\n<tbody><tr>\n<td></td></tr><tr>\n</tr></tbody></table><table><tbody><tr></tr></tbody></table><font>\n<p></p>\n<a></a></font><a><font></font></a><font>\nThis page contains an insanely badly-nested tag sequence.</font>"
+      }
+    },
+    {
+      "data": "<html>\n<body>\n<b><nobr><div>This text is in a div inside a nobr</nobr>More text that should not be in the nobr, i.e., the\nnobr should have closed the div inside it implicitly. </b><pre>A pre tag outside everything else.</pre>\n</body>\n</html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(3,56): adoption-agency-1.3",
+        "(4,58): adoption-agency-1.3",
+        "(5,7): expected-one-end-tag-but-got-another"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
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+        },
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                  },
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "nobr"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "b",
+                        "children": [
+                          {
+                            "tag": "nobr",
+                            "children": [
+                              {
+                                "text": "This text is in a div inside a nobr"
+                              }
+                            ]
+                          },
+                          {
+                            "text": "More text that should not be in the nobr, i.e., the\nnobr should have closed the div inside it implicitly. "
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "pre",
+                        "children": [
+                          {
+                            "text": "A pre tag outside everything else."
+                          }
+                        ]
+                      },
+                      {
+                        "text": "\n\n"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>\n<b><nobr></nobr></b><div><b><nobr>This text is in a div inside a nobr</nobr>More text that should not be in the nobr, i.e., the\nnobr should have closed the div inside it implicitly. </b><pre>A pre tag outside everything else.</pre>\n\n</div></body></html>",
+        "noQuirksBodyHtml": "\n\n<b><nobr></nobr></b><div><b><nobr>This text is in a div inside a nobr</nobr>More text that should not be in the nobr, i.e., the\nnobr should have closed the div inside it implicitly. </b><pre>A pre tag outside everything else.</pre>\n\n</div>"
+      }
+    }
+  ],
+  "webkit01.dat": [
+    {
+      "data": "Test",
+      "errors": [
+        "(1,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
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+            "head": true,
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+        },
+        "tree": [
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>Test</body></html>",
+        "noQuirksBodyHtml": "Test"
+      }
+    },
+    {
+      "data": "<div></div>",
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+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true
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+            "tag": "html",
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div></div></body></html>",
+        "noQuirksBodyHtml": "<div></div>"
+      }
+    },
+    {
+      "data": "<div>Test</div>",
+      "errors": [
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+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
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+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
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+                        "text": "Test"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>Test</div></body></html>",
+        "noQuirksBodyHtml": "<div>Test</div>"
+      }
+    },
+    {
+      "data": "<di",
+      "errors": [
+        "(1,3): eof-in-tag-name",
+        "(1,3): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<div>Hello</div>\n<script>\nconsole.log(\"PASS\");\n</script>\n<div>Bye</div>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "script": true
+          },
+          "no_escape": true
+        },
+        "tree": [
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+            "tag": "html",
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+              {
+                "tag": "head"
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+                "tag": "body",
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+                    "children": [
+                      {
+                        "text": "Hello"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\n"
+                  },
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "\nconsole.log(\"PASS\");\n",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\n"
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "Bye"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>Hello</div>\n<script>\nconsole.log(\"PASS\");\n</script>\n<div>Bye</div></body></html>",
+        "noQuirksBodyHtml": "<div>Hello</div>\n<script>\nconsole.log(\"PASS\");\n</script>\n<div>Bye</div>"
+      }
+    },
+    {
+      "data": "<div foo=\"bar\">Hello</div>",
+      "errors": [
+        "(1,15): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "attrs": [
+                      {
+                        "name": "foo",
+                        "value": "bar"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "text": "Hello"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div foo=\"bar\">Hello</div></body></html>",
+        "noQuirksBodyHtml": "<div foo=\"bar\">Hello</div>"
+      }
+    },
+    {
+      "data": "<div>Hello</div>\n<script>\nconsole.log(\"FOO<span>BAR</span>BAZ\");\n</script>\n<div>Bye</div>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "script": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "Hello"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\n"
+                  },
+                  {
+                    "tag": "script",
+                    "children": [
+                      {
+                        "text": "\nconsole.log(\"FOO<span>BAR</span>BAZ\");\n",
+                        "no_escape": true
+                      }
+                    ]
+                  },
+                  {
+                    "text": "\n"
+                  },
+                  {
+                    "tag": "div",
+                    "children": [
+                      {
+                        "text": "Bye"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div>Hello</div>\n<script>\nconsole.log(\"FOO<span>BAR</span>BAZ\");\n</script>\n<div>Bye</div></body></html>",
+        "noQuirksBodyHtml": "<div>Hello</div>\n<script>\nconsole.log(\"FOO<span>BAR</span>BAZ\");\n</script>\n<div>Bye</div>"
+      }
+    },
+    {
+      "data": "<foo bar=\"baz\"></foo><potato quack=\"duck\"></potato>",
+      "errors": [
+        "(1,15): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "foo": true,
+            "potato": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "attrs": [
+                      {
+                        "name": "bar",
+                        "value": "baz"
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "potato",
+                    "attrs": [
+                      {
+                        "name": "quack",
+                        "value": "duck"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo bar=\"baz\"></foo><potato quack=\"duck\"></potato></body></html>",
+        "noQuirksBodyHtml": "<foo bar=\"baz\"></foo><potato quack=\"duck\"></potato>"
+      }
+    },
+    {
+      "data": "<foo bar=\"baz\"><potato quack=\"duck\"></potato></foo>",
+      "errors": [
+        "(1,15): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "foo": true,
+            "potato": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "attrs": [
+                      {
+                        "name": "bar",
+                        "value": "baz"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "potato",
+                        "attrs": [
+                          {
+                            "name": "quack",
+                            "value": "duck"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo bar=\"baz\"><potato quack=\"duck\"></potato></foo></body></html>",
+        "noQuirksBodyHtml": "<foo bar=\"baz\"><potato quack=\"duck\"></potato></foo>"
+      }
+    },
+    {
+      "data": "<foo></foo bar=\"baz\"><potato></potato quack=\"duck\">",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,21): attributes-in-end-tag",
+        "(1,51): attributes-in-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "foo": true,
+            "potato": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo"
+                  },
+                  {
+                    "tag": "potato"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo></foo><potato></potato></body></html>",
+        "noQuirksBodyHtml": "<foo></foo><potato></potato>"
+      }
+    },
+    {
+      "data": "</ tttt>",
+      "errors": [
+        "(1,2): expected-closing-tag-but-got-char",
+        "(1,8): expected-doctype-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "comment": " tttt"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          }
+        ],
+        "html": "<!-- tttt--><html><head></head><body></body></html>",
+        "noQuirksBodyHtml": "<!-- tttt-->"
+      }
+    },
+    {
+      "data": "<div FOO ><img><img></div>",
+      "errors": [
+        "(1,10): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "div": true,
+            "img": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "div",
+                    "attrs": [
+                      {
+                        "name": "foo",
+                        "value": ""
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "img"
+                      },
+                      {
+                        "tag": "img"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div foo=\"\"><img><img></div></body></html>",
+        "noQuirksBodyHtml": "<div foo=\"\"><img><img></div>"
+      }
+    },
+    {
+      "data": "<p>Test</p<p>Test2</p>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,13): unexpected-end-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "p",
+                    "children": [
+                      {
+                        "text": "TestTest2"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p>TestTest2</p></body></html>",
+        "noQuirksBodyHtml": "<p>TestTest2</p>"
+      }
+    },
+    {
+      "data": "<rdar://problem/6869687>",
+      "errors": [
+        "(1,7): unexpected-character-after-solidus-in-tag",
+        "(1,8): unexpected-character-after-solidus-in-tag",
+        "(1,16): unexpected-character-after-solidus-in-tag",
+        "(1,24): expected-doctype-but-got-start-tag",
+        "(1,24): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "rdar:": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "rdar:",
+                    "attrs": [
+                      {
+                        "name": "6869687",
+                        "value": ""
+                      },
+                      {
+                        "name": "problem",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><rdar: problem=\"\" 6869687=\"\"></rdar:></body></html>",
+        "noQuirksBodyHtml": "<rdar: problem=\"\" 6869687=\"\"></rdar:>"
+      }
+    },
+    {
+      "data": "<A>test< /A>",
+      "errors": [
+        "(1,3): expected-doctype-but-got-start-tag",
+        "(1,8): expected-tag-name",
+        "(1,12): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "a": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "a",
+                    "children": [
+                      {
+                        "text": "test< /A>",
+                        "escaped": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><a>test&lt; /A&gt;</a></body></html>",
+        "noQuirksBodyHtml": "<a>test&lt; /A&gt;</a>"
+      }
+    },
+    {
+      "data": "&lt;",
+      "errors": [
+        "(1,4): expected-doctype-but-got-chars"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "escaped": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "<",
+                    "escaped": true
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>&lt;</body></html>",
+        "noQuirksBodyHtml": "&lt;"
+      }
+    },
+    {
+      "data": "<body foo='bar'><body foo='baz' yo='mama'>",
+      "errors": [
+        "(1,16): expected-doctype-but-got-start-tag",
+        "(1,42): unexpected-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "attrs": [
+                  {
+                    "name": "foo",
+                    "value": "bar"
+                  },
+                  {
+                    "name": "yo",
+                    "value": "mama"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body foo=\"bar\" yo=\"mama\"></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<body></br foo=\"bar\"></body>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,21): attributes-in-end-tag",
+        "(1,21): unexpected-end-tag-treated-as"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><br></body></html>",
+        "noQuirksBodyHtml": "<br>"
+      }
+    },
+    {
+      "data": "<bdy><br foo=\"bar\"></body>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,26): expected-one-end-tag-but-got-another"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "bdy": true,
+            "br": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "bdy",
+                    "children": [
+                      {
+                        "tag": "br",
+                        "attrs": [
+                          {
+                            "name": "foo",
+                            "value": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><bdy><br foo=\"bar\"></bdy></body></html>",
+        "noQuirksBodyHtml": "<bdy><br foo=\"bar\"></bdy>"
+      }
+    },
+    {
+      "data": "<body></body></br foo=\"bar\">",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,28): attributes-in-end-tag",
+        "(1,28): unexpected-end-tag-after-body",
+        "(1,28): unexpected-end-tag-treated-as"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "br": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "br"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><br></body></html>",
+        "noQuirksBodyHtml": "<br>"
+      }
+    },
+    {
+      "data": "<bdy></body><br foo=\"bar\">",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,12): expected-one-end-tag-but-got-another",
+        "(1,26): unexpected-start-tag-after-body",
+        "(1,26): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "bdy": true,
+            "br": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "bdy",
+                    "children": [
+                      {
+                        "tag": "br",
+                        "attrs": [
+                          {
+                            "name": "foo",
+                            "value": "bar"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><bdy><br foo=\"bar\"></bdy></body></html>",
+        "noQuirksBodyHtml": "<bdy><br foo=\"bar\"></bdy>"
+      }
+    },
+    {
+      "data": "<html><body></body></html><!-- Hi there -->",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body"
+              }
+            ]
+          },
+          {
+            "comment": " Hi there "
+          }
+        ],
+        "html": "<html><head></head><body></body></html><!-- Hi there -->",
+        "noQuirksBodyHtml": "<!-- Hi there -->"
+      }
+    },
+    {
+      "data": "<html><body></body></html>x<!-- Hi there -->",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,27): expected-eof-but-got-char"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "comment": " Hi there "
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>x<!-- Hi there --></body></html>",
+        "noQuirksBodyHtml": "x<!-- Hi there -->"
+      }
+    },
+    {
+      "data": "<html><body></body></html>x<!-- Hi there --></html><!-- Again -->",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,27): expected-eof-but-got-char"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "comment": " Hi there "
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "comment": " Again "
+          }
+        ],
+        "html": "<html><head></head><body>x<!-- Hi there --></body></html><!-- Again -->",
+        "noQuirksBodyHtml": "x<!-- Hi there --><!-- Again -->"
+      }
+    },
+    {
+      "data": "<html><body></body></html>x<!-- Hi there --></body></html><!-- Again -->",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,27): expected-eof-but-got-char"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true
+          },
+          "comment": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "x"
+                  },
+                  {
+                    "comment": " Hi there "
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "comment": " Again "
+          }
+        ],
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+                        "tag": "select",
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+                            "tag": "option",
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+            "children": [
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+                "tag": "head",
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+                  {
+                    "tag": "style"
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+                ]
+              },
+              {
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+                "tag": "body",
+                "children": [
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+                    "text": "ddd"
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+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head><style></style></head> <body>ddd</body></html>",
+        "noQuirksBodyHtml": " <style></style>ddd"
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+      "document": {
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+                        "tag": "table",
+                        "children": [
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+                            "tag": "colgroup",
+                            "children": [
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+                                "tag": "col"
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+                          },
+                          {
+                            "tag": "tbody",
+                            "children": [
+                              {
+                                "tag": "tr"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><kbd><select></select><table><colgroup><col></colgroup><tbody><tr></tr></tbody></table></kbd></body></html>",
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+                            "children": [
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+                                "tag": "col"
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+                          },
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+                            "tag": "tbody",
+                            "children": [
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+                                "tag": "tr"
+                              }
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+                      },
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+                        "tag": "div"
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+              }
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+        ],
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+            "svg title": true,
+            "rect": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "title",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "rect",
+                            "children": [
+                              {
+                                "tag": "div"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><title><rect><div></div></rect></title></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><title><rect><div></div></rect></title></svg>"
+      }
+    },
+    {
+      "data": "<svg><title><svg><div>",
+      "errors": [
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+        "(1,22): unexpected-html-element-in-foreign-content",
+        "(1,22): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg title": true,
+            "div": true
+          }
+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "title",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "svg",
+                            "ns": "http://www.w3.org/2000/svg"
+                          },
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><title><svg></svg><div></div></title></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><title><svg><div></div></svg></title></svg>"
+      }
+    },
+    {
+      "data": "<img <=\"\" FAIL>",
+      "errors": [
+        "(1,6): invalid-character-in-attribute-name",
+        "(1,15): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "img": true
+          },
+          "attrWithFunnyChar": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "img",
+                    "attrs": [
+                      {
+                        "name": "<",
+                        "value": ""
+                      },
+                      {
+                        "name": "fail",
+                        "value": ""
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><img <=\"\" fail=\"\"></body></html>",
+        "noQuirksBodyHtml": "<img <=\"\" fail=\"\">"
+      }
+    },
+    {
+      "data": "<ul><li><div id='foo'/>A</li><li>B<div>C</div></li></ul>",
+      "errors": [
+        "(1,4): expected-doctype-but-got-start-tag",
+        "(1,23): non-void-element-with-trailing-solidus",
+        "(1,29): end-tag-too-early"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "ul": true,
+            "li": true,
+            "div": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "ul",
+                    "children": [
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "attrs": [
+                              {
+                                "name": "id",
+                                "value": "foo"
+                              }
+                            ],
+                            "children": [
+                              {
+                                "text": "A"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "li",
+                        "children": [
+                          {
+                            "text": "B"
+                          },
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "text": "C"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><ul><li><div id=\"foo\">A</div></li><li>B<div>C</div></li></ul></body></html>",
+        "noQuirksBodyHtml": "<ul><li><div id=\"foo\">A</div></li><li>B<div>C</div></li></ul>"
+      }
+    },
+    {
+      "data": "<svg><em><desc></em>",
+      "errors": [
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+        "(1,9): unexpected-html-element-in-foreign-content",
+        "(1,20): adoption-agency-1.3"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "em": true,
+            "desc": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg"
+                  },
+                  {
+                    "tag": "em",
+                    "children": [
+                      {
+                        "tag": "desc"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg></svg><em><desc></desc></em></body></html>",
+        "noQuirksBodyHtml": "<svg><em><desc></desc></em></svg>"
+      }
+    },
+    {
+      "data": "<table><tr><td><svg><desc><td></desc><circle>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true,
+            "svg svg": true,
+            "svg desc": true,
+            "circle": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "svg",
+                                    "ns": "http://www.w3.org/2000/svg",
+                                    "children": [
+                                      {
+                                        "tag": "desc",
+                                        "ns": "http://www.w3.org/2000/svg"
+                                      }
+                                    ]
+                                  }
+                                ]
+                              },
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "tag": "circle"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td><svg><desc></desc></svg></td><td><circle></circle></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td><svg><desc></desc></svg></td><td><circle></circle></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<svg><tfoot></mi><td>",
+      "errors": [
+        "(1,5): expected-doctype-but-got-start-tag",
+        "(1,17): unexpected-end-tag",
+        "(1,17): unexpected-end-tag",
+        "(1,21): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
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+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg tfoot": true,
+            "svg td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "tfoot",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "td",
+                            "ns": "http://www.w3.org/2000/svg"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><tfoot><td></td></tfoot></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><tfoot><td></td></tfoot></svg>"
+      }
+    },
+    {
+      "data": "<math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "math math": true,
+            "math mrow": true,
+            "math mn": true,
+            "math mi": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "math",
+                    "ns": "http://www.w3.org/1998/Math/MathML",
+                    "children": [
+                      {
+                        "tag": "mrow",
+                        "ns": "http://www.w3.org/1998/Math/MathML",
+                        "children": [
+                          {
+                            "tag": "mrow",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "tag": "mn",
+                                "ns": "http://www.w3.org/1998/Math/MathML",
+                                "children": [
+                                  {
+                                    "text": "1"
+                                  }
+                                ]
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "mi",
+                            "ns": "http://www.w3.org/1998/Math/MathML",
+                            "children": [
+                              {
+                                "text": "a"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math></body></html>",
+        "noQuirksBodyHtml": "<math><mrow><mrow><mn>1</mn></mrow><mi>a</mi></mrow></math>"
+      }
+    },
+    {
+      "data": "<!doctype html><input type=\"hidden\"><frameset>",
+      "errors": [
+        "(1,46): unexpected-start-tag",
+        "(1,46): eof-in-frameset"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "frameset": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "frameset"
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><frameset></frameset></html>",
+        "noQuirksBodyHtml": "<input type=\"hidden\">"
+      }
+    },
+    {
+      "data": "<!doctype html><input type=\"button\"><frameset>",
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+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "input": true
+          },
+          "doctype": true
+        },
+        "tree": [
+          {
+            "doctype": "html"
+          },
+          {
+            "tag": "html",
+            "children": [
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+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input",
+                    "attrs": [
+                      {
+                        "name": "type",
+                        "value": "button"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<!DOCTYPE html><html><head></head><body><input type=\"button\"></body></html>",
+        "noQuirksBodyHtml": "<input type=\"button\">"
+      }
+    }
+  ],
+  "webkit02.dat": [
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+      "data": "<foo bar=qux/>",
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+        "(1,14): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+          "tags": {
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+            "head": true,
+            "body": true,
+            "foo": true
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+        },
+        "tree": [
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+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "attrs": [
+                      {
+                        "name": "bar",
+                        "value": "qux/"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><foo bar=\"qux/\"></foo></body></html>",
+        "noQuirksBodyHtml": "<foo bar=\"qux/\"></foo>"
+      }
+    },
+    {
+      "data": "<p id=\"status\"><noscript><strong>A</strong></noscript><span>B</span></p>",
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+      ],
+      "script": "on",
+      "document": {
+        "props": {
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+            "html": true,
+            "head": true,
+            "body": true,
+            "p": true,
+            "noscript": true,
+            "span": true
+          },
+          "no_escape": true
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+        "tree": [
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+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
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+                    "tag": "p",
+                    "attrs": [
+                      {
+                        "name": "id",
+                        "value": "status"
+                      }
+                    ],
+                    "children": [
+                      {
+                        "tag": "noscript",
+                        "children": [
+                          {
+                            "text": "<strong>A</strong>",
+                            "no_escape": true
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "span",
+                        "children": [
+                          {
+                            "text": "B"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p id=\"status\"><noscript><strong>A</strong></noscript><span>B</span></p></body></html>",
+        "noQuirksBodyHtml": "<p id=\"status\"><noscript>&lt;strong&gt;A&lt;/strong&gt;</noscript><span>B</span></p>"
+      }
+    },
+    {
+      "data": "<p id=\"status\"><noscript><strong>A</strong></noscript><span>B</span></p>",
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+      ],
+      "script": "off",
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+            "head": true,
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+            "noscript": true,
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+            "span": true
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+              {
+                "tag": "body",
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+                    "tag": "p",
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+                        "name": "id",
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+                    ],
+                    "children": [
+                      {
+                        "tag": "noscript",
+                        "children": [
+                          {
+                            "tag": "strong",
+                            "children": [
+                              {
+                                "text": "A"
+                              }
+                            ]
+                          }
+                        ]
+                      },
+                      {
+                        "tag": "span",
+                        "children": [
+                          {
+                            "text": "B"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><p id=\"status\"><noscript><strong>A</strong></noscript><span>B</span></p></body></html>",
+        "noQuirksBodyHtml": "<p id=\"status\"><noscript>&lt;strong&gt;A&lt;/strong&gt;</noscript><span>B</span></p>"
+      }
+    },
+    {
+      "data": "<div><sarcasm><div></div></sarcasm></div>",
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+      "document": {
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+            "head": true,
+            "body": true,
+            "div": true,
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+                "tag": "head"
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+              {
+                "tag": "body",
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+                    "tag": "div",
+                    "children": [
+                      {
+                        "tag": "sarcasm",
+                        "children": [
+                          {
+                            "tag": "div"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><div><sarcasm><div></div></sarcasm></div></body></html>",
+        "noQuirksBodyHtml": "<div><sarcasm><div></div></sarcasm></div>"
+      }
+    },
+    {
+      "data": "<html><body><img src=\"\" border=\"0\" alt=\"><div>A</div></body></html>",
+      "errors": [
+        "(1,6): expected-doctype-but-got-start-tag",
+        "(1,67): eof-in-attribute-value-double-quote"
+      ],
+      "document": {
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+            "head": true,
+            "body": true
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+                "tag": "head"
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+              {
+                "tag": "body"
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+            ]
+          }
+        ],
+        "html": "<html><head></head><body></body></html>",
+        "noQuirksBodyHtml": ""
+      }
+    },
+    {
+      "data": "<table><td></tbody>A",
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+        "(1,11): unexpected-cell-in-table-body",
+        "(1,20): foster-parenting-character",
+        "(1,20): eof-in-table"
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+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
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+        },
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+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "text": "A"
+                  },
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body>A<table><tbody><tr><td></td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "A<table><tbody><tr><td></td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td></thead>A",
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+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body",
+        "(1,19): XXX-undefined-error",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
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+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
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+                "tag": "head"
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+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "A"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>A</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>A</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><td></tfoot>A",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,11): unexpected-cell-in-table-body",
+        "(1,19): XXX-undefined-error",
+        "(1,20): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "tbody": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "tbody",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "A"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><tbody><tr><td>A</td></tr></tbody></table></body></html>",
+        "noQuirksBodyHtml": "<table><tbody><tr><td>A</td></tr></tbody></table>"
+      }
+    },
+    {
+      "data": "<table><thead><td></tbody>A",
+      "errors": [
+        "(1,7): expected-doctype-but-got-start-tag",
+        "(1,18): unexpected-cell-in-table-body",
+        "(1,26): XXX-undefined-error",
+        "(1,27): expected-closing-tag-but-got-eof"
+      ],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "table": true,
+            "thead": true,
+            "tr": true,
+            "td": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "table",
+                    "children": [
+                      {
+                        "tag": "thead",
+                        "children": [
+                          {
+                            "tag": "tr",
+                            "children": [
+                              {
+                                "tag": "td",
+                                "children": [
+                                  {
+                                    "text": "A"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><table><thead><tr><td>A</td></tr></thead></table></body></html>",
+        "noQuirksBodyHtml": "<table><thead><tr><td>A</td></tr></thead></table>"
+      }
+    },
+    {
+      "data": "<legend>test</legend>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "legend": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "legend",
+                    "children": [
+                      {
+                        "text": "test"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><legend>test</legend></body></html>",
+        "noQuirksBodyHtml": "<legend>test</legend>"
+      }
+    },
+    {
+      "data": "<table><input>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "input": true,
+            "table": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "input"
+                  },
+                  {
+                    "tag": "table"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><input><table></table></body></html>",
+        "noQuirksBodyHtml": "<input><table></table>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foo><aside></b>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "em": true,
+            "foo": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "foo",
+                            "children": [
+                              {
+                                "tag": "foo"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "em",
+                    "children": [
+                      {
+                        "tag": "aside",
+                        "children": [
+                          {
+                            "tag": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><em><foo><foo></foo></foo></em></b><em><aside><b></b></aside></em></body></html>",
+        "noQuirksBodyHtml": "<b><em><foo><foo></foo></foo></em></b><em><aside><b></b></aside></em>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foo><aside></b></em>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "em": true,
+            "foo": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "foo",
+                            "children": [
+                              {
+                                "tag": "foo"
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "em"
+                  },
+                  {
+                    "tag": "aside",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "b"
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><em><foo><foo></foo></foo></em></b><em></em><aside><em><b></b></em></aside></body></html>",
+        "noQuirksBodyHtml": "<b><em><foo><foo></foo></foo></em></b><em></em><aside><em><b></b></em></aside>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foo><foo><aside></b>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "em": true,
+            "foo": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "foo",
+                            "children": [
+                              {
+                                "tag": "foo",
+                                "children": [
+                                  {
+                                    "tag": "foo"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "aside",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><em><foo><foo><foo></foo></foo></foo></em></b><aside><b></b></aside></body></html>",
+        "noQuirksBodyHtml": "<b><em><foo><foo><foo></foo></foo></foo></em></b><aside><b></b></aside>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foo><foo><aside></b></em>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "b": true,
+            "em": true,
+            "foo": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "b",
+                    "children": [
+                      {
+                        "tag": "em",
+                        "children": [
+                          {
+                            "tag": "foo",
+                            "children": [
+                              {
+                                "tag": "foo",
+                                "children": [
+                                  {
+                                    "tag": "foo"
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  },
+                  {
+                    "tag": "aside",
+                    "children": [
+                      {
+                        "tag": "b"
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><b><em><foo><foo><foo></foo></foo></foo></em></b><aside><b></b></aside></body></html>",
+        "noQuirksBodyHtml": "<b><em><foo><foo><foo></foo></foo></foo></em></b><aside><b></b></aside>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foo><foo><foo><foo><foo><foo><foo><foo><foo><aside></b></em>",
+      "errors": [],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "b": true,
+            "em": true,
+            "foo": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "b",
+            "children": [
+              {
+                "tag": "em",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "children": [
+                      {
+                        "tag": "foo",
+                        "children": [
+                          {
+                            "tag": "foo",
+                            "children": [
+                              {
+                                "tag": "foo",
+                                "children": [
+                                  {
+                                    "tag": "foo",
+                                    "children": [
+                                      {
+                                        "tag": "foo",
+                                        "children": [
+                                          {
+                                            "tag": "foo",
+                                            "children": [
+                                              {
+                                                "tag": "foo",
+                                                "children": [
+                                                  {
+                                                    "tag": "foo",
+                                                    "children": [
+                                                      {
+                                                        "tag": "foo"
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "tag": "aside",
+            "children": [
+              {
+                "tag": "b"
+              }
+            ]
+          }
+        ],
+        "html": "<b><em><foo><foo><foo><foo><foo><foo><foo><foo><foo><foo></foo></foo></foo></foo></foo></foo></foo></foo></foo></foo></em></b><aside><b></b></aside>",
+        "noQuirksBodyHtml": "<b><em><foo><foo><foo><foo><foo><foo><foo><foo><foo><foo></foo></foo></foo></foo></foo></foo></foo></foo></foo></foo></em></b><aside><b></b></aside>"
+      }
+    },
+    {
+      "data": "<b><em><foo><foob><foob><foob><foob><fooc><fooc><fooc><fooc><food><aside></b></em>",
+      "errors": [],
+      "fragment": {
+        "name": "div"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "b": true,
+            "em": true,
+            "foo": true,
+            "foob": true,
+            "fooc": true,
+            "food": true,
+            "aside": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "b",
+            "children": [
+              {
+                "tag": "em",
+                "children": [
+                  {
+                    "tag": "foo",
+                    "children": [
+                      {
+                        "tag": "foob",
+                        "children": [
+                          {
+                            "tag": "foob",
+                            "children": [
+                              {
+                                "tag": "foob",
+                                "children": [
+                                  {
+                                    "tag": "foob",
+                                    "children": [
+                                      {
+                                        "tag": "fooc",
+                                        "children": [
+                                          {
+                                            "tag": "fooc",
+                                            "children": [
+                                              {
+                                                "tag": "fooc",
+                                                "children": [
+                                                  {
+                                                    "tag": "fooc",
+                                                    "children": [
+                                                      {
+                                                        "tag": "food"
+                                                      }
+                                                    ]
+                                                  }
+                                                ]
+                                              }
+                                            ]
+                                          }
+                                        ]
+                                      }
+                                    ]
+                                  }
+                                ]
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          },
+          {
+            "tag": "aside",
+            "children": [
+              {
+                "tag": "b"
+              }
+            ]
+          }
+        ],
+        "html": "<b><em><foo><foob><foob><foob><foob><fooc><fooc><fooc><fooc><food></food></fooc></fooc></fooc></fooc></foob></foob></foob></foob></foo></em></b><aside><b></b></aside>",
+        "noQuirksBodyHtml": "<b><em><foo><foob><foob><foob><foob><fooc><fooc><fooc><fooc><food></food></fooc></fooc></fooc></fooc></foob></foob></foob></foob></foo></em></b><aside><b></b></aside>"
+      }
+    },
+    {
+      "data": "<isindex action=\"x\">",
+      "errors": [],
+      "fragment": {
+        "name": "table"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "form": true,
+            "hr": true,
+            "label": true,
+            "input": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "form",
+            "attrs": [
+              {
+                "name": "action",
+                "value": "x"
+              }
+            ],
+            "children": [
+              {
+                "tag": "hr"
+              },
+              {
+                "tag": "label",
+                "children": [
+                  {
+                    "text": "This is a searchable index. Enter search keywords: "
+                  },
+                  {
+                    "tag": "input",
+                    "attrs": [
+                      {
+                        "name": "name",
+                        "value": "isindex"
+                      }
+                    ]
+                  }
+                ]
+              },
+              {
+                "tag": "hr"
+              }
+            ]
+          }
+        ],
+        "html": "<form action=\"x\"><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form>",
+        "noQuirksBodyHtml": "<form action=\"x\"><hr><label>This is a searchable index. Enter search keywords: <input name=\"isindex\"></label><hr></form>"
+      }
+    },
+    {
+      "data": "<option><XH<optgroup></optgroup>",
+      "errors": [],
+      "fragment": {
+        "name": "select"
+      },
+      "document": {
+        "props": {
+          "tags": {
+            "option": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "option"
+          }
+        ],
+        "html": "<option></option>",
+        "noQuirksBodyHtml": "<option><xh<optgroup></xh<optgroup></option>"
+      }
+    },
+    {
+      "data": "<svg><foreignObject><div>foo</div><plaintext></foreignObject></svg><div>bar</div>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "div": true,
+            "plaintext": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg",
+                        "children": [
+                          {
+                            "tag": "div",
+                            "children": [
+                              {
+                                "text": "foo"
+                              }
+                            ]
+                          },
+                          {
+                            "tag": "plaintext",
+                            "children": [
+                              {
+                                "text": "</foreignObject></svg><div>bar</div>",
+                                "no_escape": true
+                              }
+                            ]
+                          }
+                        ]
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><foreignObject><div>foo</div><plaintext></foreignObject></svg><div>bar</div></plaintext></foreignObject></svg></body></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject><div>foo</div><plaintext></foreignObject></svg><div>bar</div></plaintext></foreignObject></svg>"
+      }
+    },
+    {
+      "data": "<svg><foreignObject></foreignObject><title></svg>foo",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "svg svg": true,
+            "svg foreignObject": true,
+            "svg title": true
+          }
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "svg",
+                    "ns": "http://www.w3.org/2000/svg",
+                    "children": [
+                      {
+                        "tag": "foreignObject",
+                        "ns": "http://www.w3.org/2000/svg"
+                      },
+                      {
+                        "tag": "title",
+                        "ns": "http://www.w3.org/2000/svg"
+                      }
+                    ]
+                  },
+                  {
+                    "text": "foo"
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><svg><foreignObject></foreignObject><title></title></svg>foo</body></html>",
+        "noQuirksBodyHtml": "<svg><foreignObject></foreignObject><title></title></svg>foo"
+      }
+    },
+    {
+      "data": "</foreignObject><plaintext><div>foo</div>",
+      "errors": [],
+      "document": {
+        "props": {
+          "tags": {
+            "html": true,
+            "head": true,
+            "body": true,
+            "plaintext": true
+          },
+          "no_escape": true
+        },
+        "tree": [
+          {
+            "tag": "html",
+            "children": [
+              {
+                "tag": "head"
+              },
+              {
+                "tag": "body",
+                "children": [
+                  {
+                    "tag": "plaintext",
+                    "children": [
+                      {
+                        "text": "<div>foo</div>",
+                        "no_escape": true
+                      }
+                    ]
+                  }
+                ]
+              }
+            ]
+          }
+        ],
+        "html": "<html><head></head><body><plaintext><div>foo</div></plaintext></body></html>",
+        "noQuirksBodyHtml": "<plaintext><div>foo</div></plaintext>"
+      }
+    }
+  ]
+}