X-Git-Url: https://git.cyclocoop.org/%27.WWW_URL.%27admin/?a=blobdiff_plain;f=includes%2FParser.php;h=5d5c4b4a111590dea58bfd75a41d5eb5584b0e99;hb=8da9fca6c03fa8b2ca8bc83f8704e1219aa3904d;hp=f64faaf84f1c8d5e47f9747f5cba166a46123fbe;hpb=c67565e3dfcda94350650ee75f96092f30b55a40;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/Parser.php b/includes/Parser.php
index f64faaf84f..5d5c4b4a11 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -15,7 +15,7 @@ require_once( 'HttpFunctions.php' );
  * changes in an incompatible way, so the parser cache
  * can automatically discard old data.
  */
-define( 'MW_PARSER_VERSION', '1.5.0' );
+define( 'MW_PARSER_VERSION', '1.6.0' );
 
 /**
  * Variable substitution O(N^2) attack
@@ -43,13 +43,10 @@ define( 'OT_MSG' , 3 );
 # may want to use in wikisyntax
 define( 'STRIP_COMMENTS', 'HTMLCommentStrip' );
 
-# prefix for escaping, used in two functions at least
-define( 'UNIQ_PREFIX', 'NaodW29');
-
 # Constants needed for external link processing
 define( 'HTTP_PROTOCOLS', 'http:\/\/|https:\/\/' );
 # Everything except bracket, space, or control characters
-define( 'EXT_LINK_URL_CLASS', '[^]<>"\\x00-\\x20\\x7F]' );
+define( 'EXT_LINK_URL_CLASS', '[^][<>"\\x00-\\x20\\x7F]' );
 # Including space
 define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x00-\\x1F\\x7F]' );
 define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );
@@ -76,7 +73,7 @@ define( 'EXT_IMAGE_REGEX',
  *   performs brace substitution on MediaWiki messages
  *
  * Globals used:
- *    objects:   $wgLang, $wgLinkCache
+ *    objects:   $wgLang
  *
  * NOT $wgArticle, $wgUser or $wgTitle. Keep them away!
  *
@@ -101,16 +98,18 @@ class Parser
 	# Cleared with clearState():
 	var $mOutput, $mAutonumber, $mDTopen, $mStripState = array();
 	var $mVariables, $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
-	var $mInterwikiLinkHolders, $mLinkHolders;
+	var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
 
 	# Temporary:
-	var $mOptions, $mTitle, $mOutputType,
+	var $mOptions,      // ParserOptions object
+		$mTitle,        // Title context, used for self-link rendering and similar things
+		$mOutputType,   // Output type, one of the OT_xxx constants
 	    $mTemplates,	// cache of already loaded templates, avoids
 		                // multiple SQL queries for the same string
-	    $mTemplatePath;	// stores an unsorted hash of all the templates already loaded
+	    $mTemplatePath,	// stores an unsorted hash of all the templates already loaded
 		                // in this path. Used for loop detection.
-
-	var $mIWTransData = array();
+		$mIWTransData = array(),
+		$mRevisionId;   // ID to display in {{REVISIONID}} tags
 
 	/**#@-*/
 
@@ -152,11 +151,24 @@ class Parser
 			'texts' => array(),
 			'titles' => array()
 		);
+		$this->mRevisionId = null;
+		$this->mUniqPrefix = 'UNIQ' . Parser::getRandomString();
+
+		wfRunHooks( 'ParserClearState', array( &$this ) );
 	}
 
 	/**
-	 * First pass--just handle <nowiki> sections, pass the rest off
-	 * to internalParse() which does all the real work.
+	 * Accessor for mUniqPrefix.
+	 *
+	 * @access public
+	 */
+	function UniqPrefix() {
+		return $this->mUniqPrefix;
+	}
+
+	/**
+	 * Convert wikitext to HTML
+	 * Do not call this function recursively.
 	 *
 	 * @access private
 	 * @param string $text Text we want to parse
@@ -164,10 +176,16 @@ class Parser
 	 * @param array $options
 	 * @param boolean $linestart
 	 * @param boolean $clearState
+	 * @param int $revid number to pass in {{REVISIONID}}
 	 * @return ParserOutput a ParserOutput
 	 */
-	function parse( $text, &$title, $options, $linestart = true, $clearState = true ) {
-		global $wgUseTidy, $wgContLang;
+	function parse( $text, &$title, $options, $linestart = true, $clearState = true, $revid = null ) {
+		/**
+		 * First pass--just handle <nowiki> sections, pass the rest off
+		 * to internalParse() which does all the real work.
+		 */
+
+		global $wgUseTidy, $wgAlwaysUseTidy, $wgContLang;
 		$fname = 'Parser::parse';
 		wfProfileIn( $fname );
 
@@ -177,6 +195,7 @@ class Parser
 
 		$this->mOptions = $options;
 		$this->mTitle =& $title;
+		$this->mRevisionId = $revid;
 		$this->mOutputType = OT_HTML;
 
 		$this->mStripState = NULL;
@@ -189,6 +208,12 @@ class Parser
 		$text = $this->strip( $text, $x );
 		wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$x ) );
 
+		# Hook to suspend the parser in this state
+		if ( !wfRunHooks( 'ParserBeforeInternalParse', array( &$this, &$text, &$x ) ) ) {
+			wfProfileOut( $fname );
+			return $text ;
+		}
+
 		$text = $this->internalParse( $text );
 
 		$text = $this->unstrip( $text, $this->mStripState );
@@ -220,8 +245,8 @@ class Parser
 		wfRunHooks( 'ParserBeforeTidy', array( &$this, &$text ) );
 
 		$text = Sanitizer::normalizeCharReferences( $text );
-		
-		if ($wgUseTidy) {
+
+		if (($wgUseTidy and $this->mOptions->mTidy) or $wgAlwaysUseTidy) {
 			$text = Parser::tidy($text);
 		}
 
@@ -229,6 +254,7 @@ class Parser
 
 		$this->mOutput->setText( $text );
 		wfProfileOut( $fname );
+
 		return $this->mOutput;
 	}
 
@@ -355,7 +381,7 @@ class Parser
 		$gallery_content = array();
 
 		# Replace any instances of the placeholders
-		$uniq_prefix = UNIQ_PREFIX;
+		$uniq_prefix = $this->mUniqPrefix;
 		#$text = str_replace( $uniq_prefix, wfHtmlEscapeFirst( $uniq_prefix ), $text );
 
 		# html
@@ -409,7 +435,7 @@ class Parser
 		foreach( $gallery_content as $marker => $content ) {
 			require_once( 'ImageGallery.php' );
 			if ( $render ) {
-				$gallery_content[$marker] = Parser::renderImageGallery( $content );
+				$gallery_content[$marker] = $this->renderImageGallery( $content );
 			} else {
 				$gallery_content[$marker] = '<gallery>'.$content.'</gallery>';
 			}
@@ -431,9 +457,9 @@ class Parser
 			foreach( $ext_content[$tag] as $marker => $content ) {
 				$full_tag = $ext_tags[$tag][$marker];
 				$params = $ext_params[$tag][$marker];
-				if ( $render ) {
-					$ext_content[$tag][$marker] = $callback( $content, $params, $this );
-				} else {
+				if ( $render )
+					$ext_content[$tag][$marker] = call_user_func_array( $callback, array( $content, $params, &$this ) );
+				else {
 					if ( is_null( $content ) ) {
 						// Empty element tag
 						$ext_content[$tag][$marker] = $full_tag;
@@ -481,7 +507,7 @@ class Parser
 		if ( !is_array( $state ) ) {
 			return $text;
 		}
-		
+
 		# Must expand in reverse order, otherwise nested tags will be corrupted
 		foreach( array_reverse( $state, true ) as $tag => $contentDict ) {
 			if( $tag != 'nowiki' && $tag != 'html' ) {
@@ -527,7 +553,7 @@ class Parser
 	 * @access private
 	 */
 	function insertStripItem( $text, &$state ) {
-		$rnd = UNIQ_PREFIX . '-item' . Parser::getRandomString();
+		$rnd = $this->mUniqPrefix . '-item' . Parser::getRandomString();
 		if ( !$state ) {
 			$state = array(
 			  'html' => array(),
@@ -666,7 +692,7 @@ class Parser
 			$fc = substr ( $x , 0 , 1 ) ;
 			if ( preg_match( '/^(:*)\{\|(.*)$/', $x, $matches ) ) {
 				$indent_level = strlen( $matches[1] );
-				
+
 				$attributes = $this->unstripForHTML( $matches[2] );
 
 				$t[$k] = str_repeat( '<dl><dd>', $indent_level ) .
@@ -797,7 +823,7 @@ class Parser
 
 		# replaceInternalLinks may sometimes leave behind
 		# absolute URLs, which have to be masked to hide them from replaceExternalLinks
-		$text = str_replace(UNIQ_PREFIX."NOPARSE", "", $text);
+		$text = str_replace($this->mUniqPrefix."NOPARSE", "", $text);
 
 		$text = $this->doMagicLinks( $text );
 		$text = $this->doTableStuff( $text );
@@ -828,19 +854,6 @@ class Parser
 		return $text;
 	}
 
-	/**
-	 * Parse ^^ tokens and return html
-	 *
-	 * @access private
-	 */
-	function doExponent( $text ) {
-		$fname = 'Parser::doExponent';
-		wfProfileIn( $fname );
-		$text = preg_replace('/\^\^(.*?)\^\^/','<small><sup>\\1</sup></small>', $text);
-		wfProfileOut( $fname );
-		return $text;
-	}
-
 	/**
 	 * Parse headers and return html
 	 *
@@ -850,7 +863,7 @@ class Parser
 		$fname = 'Parser::doHeadings';
 		wfProfileIn( $fname );
 		for ( $i = 6; $i >= 1; --$i ) {
-			$h = substr( '======', 0, $i );
+			$h = str_repeat( '=', $i );
 			$text = preg_replace( "/^{$h}(.+){$h}(\\s|$)/m",
 			  "<h{$i}>\\1</h{$i}>\\2", $text );
 		}
@@ -1108,19 +1121,23 @@ class Parser
 
 			# Replace &amp; from obsolete syntax with &.
 			# All HTML entities will be escaped by makeExternalLink()
-			# or maybeMakeExternalImage()
 			$url = str_replace( '&amp;', '&', $url );
+			# Replace unnecessary URL escape codes with the referenced character
+			# This prevents spammers from hiding links from the filters
+			$url = Parser::replaceUnusualEscapes( $url );
 
 			# Process the trail (i.e. everything after this link up until start of the next link),
 			# replacing any non-bracketed links
 			$trail = $this->replaceFreeExternalLinks( $trail );
 
-
 			# Use the encoded URL
 			# This means that users can paste URLs directly into the text
 			# Funny characters like &ouml; aren't valid in URLs anyway
 			# This was changed in August 2004
 			$s .= $sk->makeExternalLink( $url, $text, false, $linktype ) . $dtrail . $trail;
+
+			# Register link in the output object
+			$this->mOutput->addExternalLink( $url );
 		}
 
 		wfProfileOut( $fname );
@@ -1176,12 +1193,16 @@ class Parser
 				# All HTML entities will be escaped by makeExternalLink()
 				# or maybeMakeExternalImage()
 				$url = str_replace( '&amp;', '&', $url );
+				# Replace unnecessary URL escape codes with their equivalent characters
+				$url = Parser::replaceUnusualEscapes( $url );
 
 				# Is this an external image?
 				$text = $this->maybeMakeExternalImage( $url );
 				if ( $text === false ) {
 					# Not an image, make a link
 					$text = $sk->makeExternalLink( $url, $wgContLang->markNoConversion($url), true, 'free' );
+					# Register it in the output object
+					$this->mOutput->addExternalLink( $url );
 				}
 				$s .= $text . $trail;
 			} else {
@@ -1192,6 +1213,36 @@ class Parser
 		return $s;
 	}
 
+	/**
+	 * Replace unusual URL escape codes with their equivalent characters
+	 * @param string 
+	 * @return string
+	 * @static
+	 */
+	function replaceUnusualEscapes( $url ) {
+		return preg_replace_callback( '/%[0-9A-Fa-f]{2}/', 
+			array( 'Parser', 'replaceUnusualEscapesCallback' ), $url );
+	}
+
+	/**
+	 * Callback function used in replaceUnusualEscapes().
+	 * Replaces unusual URL escape codes with their equivalent character
+	 * @static
+	 * @access private
+	 */
+	function replaceUnusualEscapesCallback( $matches ) {
+		$char = urldecode( $matches[0] );
+		$ord = ord( $char );
+		// Is it an unsafe or HTTP reserved character according to RFC 1738?
+		if ( $ord > 32 && $ord < 127 && strpos( '<>"#{}|\^~[]`;/?', $char ) === false ) {
+			// No, shouldn't be escaped
+			return $char;
+		} else {
+			// Yes, leave it escaped
+			return $matches[0];
+		}
+	}
+
 	/**
 	 * make an image if it's allowed, either through the global
 	 * option or through the exception
@@ -1202,7 +1253,7 @@ class Parser
 		$imagesfrom = $this->mOptions->getAllowExternalImagesFrom();
 		$imagesexception = !empty($imagesfrom);
 		$text = false;
-		if ( $this->mOptions->getAllowExternalImages() 
+		if ( $this->mOptions->getAllowExternalImages()
 		     || ( $imagesexception && strpos( $url, $imagesfrom ) === 0 ) ) {
 			if ( preg_match( EXT_IMAGE_REGEX, $url ) ) {
 				# Image found
@@ -1218,7 +1269,7 @@ class Parser
 	 * @access private
 	 */
 	function replaceInternalLinks( $s ) {
-		global $wgContLang, $wgLinkCache;
+		global $wgContLang;
 		static $fname = 'Parser::replaceInternalLinks' ;
 
 		wfProfileIn( $fname );
@@ -1400,7 +1451,7 @@ class Parser
 
 				# Interwikis
 				if( $iw && $this->mOptions->getInterwikiMagic() && $nottalk && $wgContLang->getLanguageName( $iw ) ) {
-					array_push( $this->mOutput->mLanguageLinks, $nt->getFullText() );
+					$this->mOutput->addLanguageLink( $nt->getFullText() );
 					$s = rtrim($s . "\n");
 					$s .= trim($prefix . $trail, "\n") == '' ? '': $prefix . $trail;
 					continue;
@@ -1416,8 +1467,8 @@ class Parser
 						$text = $this->replaceInternalLinks($text);
 
 						# cloak any absolute URLs inside the image markup, so replaceExternalLinks() won't touch them
-						$s .= $prefix . preg_replace( "/\b(" . wfUrlProtocols() . ')/', UNIQ_PREFIX."NOPARSE$1", $this->makeImage( $nt, $text) ) . $trail;
-						$wgLinkCache->addImageLinkObj( $nt );
+						$s .= $prefix . $this->armorLinks( $this->makeImage( $nt, $text ) ) . $trail;
+						$this->mOutput->addImage( $nt->getDBkey() );
 
 						wfProfileOut( "$fname-image" );
 						continue;
@@ -1428,13 +1479,8 @@ class Parser
 
 				if ( $ns == NS_CATEGORY ) {
 					wfProfileIn( "$fname-category" );
-					$t = $wgContLang->convertHtml( $nt->getText() );
 					$s = rtrim($s . "\n"); # bug 87
 
-					$wgLinkCache->suspend(); # Don't save in links/brokenlinks
-					$t = $sk->makeLinkObj( $nt, $t, '', '' , $prefix );
-					$wgLinkCache->resume();
-
 					if ( $wasblank ) {
 						if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
 							$sortkey = $this->mTitle->getText();
@@ -1444,9 +1490,9 @@ class Parser
 					} else {
 						$sortkey = $text;
 					}
+					$sortkey = Sanitizer::decodeCharReferences( $sortkey );
 					$sortkey = $wgContLang->convertCategoryKey( $sortkey );
-					$wgLinkCache->addCategoryLinkObj( $nt, $sortkey );
-					$this->mOutput->addCategoryLink( $t );
+					$this->mOutput->addCategory( $nt->getDBkey(), $sortkey );
 
 					/**
 					 * Strip the whitespace Category links produce, see bug 87
@@ -1468,12 +1514,23 @@ class Parser
 
 			# Special and Media are pseudo-namespaces; no pages actually exist in them
 			if( $ns == NS_MEDIA ) {
-				$s .= $prefix . $sk->makeMediaLinkObj( $nt, $text, true ) . $trail;
-				$wgLinkCache->addImageLinkObj( $nt );
+				$link = $sk->makeMediaLinkObj( $nt, $text );
+				# Cloak with NOPARSE to avoid replacement in replaceExternalLinks
+				$s .= $prefix . $this->armorLinks( $link ) . $trail;
+				$this->mOutput->addImage( $nt->getDBkey() );
 				continue;
 			} elseif( $ns == NS_SPECIAL ) {
-				$s .= $prefix . $sk->makeKnownLinkObj( $nt, $text, '', $trail );
+				$s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
 				continue;
+			} elseif( $ns == NS_IMAGE ) {
+				$img = Image::newFromTitle( $nt );
+				if( $img->exists() ) {
+					// Force a blue link if the file exists; may be a remote
+					// upload on the shared repository, and we want to see its
+					// auto-generated page.
+					$s .= $this->makeKnownLinkHolder( $nt, $text, '', $trail, $prefix );
+					continue;
+				}
 			}
 			$s .= $this->makeLinkHolder( $nt, $text, '', $trail, $prefix );
 		}
@@ -1513,6 +1570,44 @@ class Parser
 		return $retVal;
 	}
 
+	/**
+	 * Render a forced-blue link inline; protect against double expansion of
+	 * URLs if we're in a mode that prepends full URL prefixes to internal links.
+	 * Since this little disaster has to split off the trail text to avoid
+	 * breaking URLs in the following text without breaking trails on the
+	 * wiki links, it's been made into a horrible function.
+	 *
+	 * @param Title $nt
+	 * @param string $text
+	 * @param string $query
+	 * @param string $trail
+	 * @param string $prefix
+	 * @return string HTML-wikitext mix oh yuck
+	 */
+	function makeKnownLinkHolder( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+		list( $inside, $trail ) = Linker::splitTrail( $trail );
+		$sk =& $this->mOptions->getSkin();
+		$link = $sk->makeKnownLinkObj( $nt, $text, $query, $inside, $prefix );
+		return $this->armorLinks( $link ) . $trail;
+	}
+
+	/**
+	 * Insert a NOPARSE hacky thing into any inline links in a chunk that's
+	 * going to go through further parsing steps before inline URL expansion.
+	 *
+	 * In particular this is important when using action=render, which causes
+	 * full URLs to be included.
+	 *
+	 * Oh man I hate our multi-layer parser!
+	 *
+	 * @param string more-or-less HTML
+	 * @return string less-or-more HTML with NOPARSE bits
+	 */
+	function armorLinks( $text ) {
+		return preg_replace( "/\b(" . wfUrlProtocols() . ')/',
+			"{$this->mUniqPrefix}NOPARSE$1", $text );
+	}
+
 	/**
 	 * Return true if subpage links should be expanded on this page.
 	 * @return bool
@@ -1759,12 +1854,11 @@ class Parser
 			if( 0 == $prefixLength ) {
 				wfProfileIn( "$fname-paragraph" );
 				# No prefix (not in list)--go to paragraph mode
-				$uniq_prefix = UNIQ_PREFIX;
 				// XXX: use a stack for nestable elements like span, table and div
 				$openmatch = preg_match('/(<table|<blockquote|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|<p|<ul|<li|<\\/tr|<\\/td|<\\/th)/iS', $t );
 				$closematch = preg_match(
 					'/(<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'.
-					'<td|<th|<div|<\\/div|<hr|<\\/pre|<\\/p|'.$uniq_prefix.'-pre|<\\/li|<\\/ul)/iS', $t );
+					'<td|<th|<div|<\\/div|<hr|<\\/pre|<\\/p|'.$this->mUniqPrefix.'-pre|<\\/li|<\\/ul)/iS', $t );
 				if ( $openmatch or $closematch ) {
 					$paragraphStack = false;
 					$output .= $this->closeParagraph();
@@ -1882,26 +1976,33 @@ class Parser
 	 * @access private
 	 */
 	function getVariableValue( $index ) {
-		global $wgContLang, $wgSitename, $wgServer, $wgServerName, $wgArticle, $wgScriptPath;
+		global $wgContLang, $wgSitename, $wgServer, $wgServerName, $wgScriptPath;
 
 		/**
 		 * Some of these require message or data lookups and can be
 		 * expensive to check many times.
 		 */
 		static $varCache = array();
-		if( isset( $varCache[$index] ) ) return $varCache[$index];
+		if ( wfRunHooks( 'ParserGetVariableValueVarCache', array( &$this, &$varCache ) ) )
+			if ( isset( $varCache[$index] ) )
+				return $varCache[$index];
+
+		$ts = time();
+		wfRunHooks( 'ParserGetVariableValueTs', array( &$this, &$ts ) );
 
 		switch ( $index ) {
 			case MAG_CURRENTMONTH:
-				return $varCache[$index] = $wgContLang->formatNum( date( 'm' ) );
+				return $varCache[$index] = $wgContLang->formatNum( date( 'm', $ts ) );
 			case MAG_CURRENTMONTHNAME:
-				return $varCache[$index] = $wgContLang->getMonthName( date('n') );
+				return $varCache[$index] = $wgContLang->getMonthName( date( 'n', $ts ) );
 			case MAG_CURRENTMONTHNAMEGEN:
-				return $varCache[$index] = $wgContLang->getMonthNameGen( date('n') );
+				return $varCache[$index] = $wgContLang->getMonthNameGen( date( 'n', $ts ) );
 			case MAG_CURRENTMONTHABBREV:
-				return $varCache[$index] = $wgContLang->getMonthAbbreviation( date('n') );
+				return $varCache[$index] = $wgContLang->getMonthAbbreviation( date( 'n', $ts ) );
 			case MAG_CURRENTDAY:
-				return $varCache[$index] = $wgContLang->formatNum( date('j') );
+				return $varCache[$index] = $wgContLang->formatNum( date( 'j', $ts ) );
+			case MAG_CURRENTDAY2:
+				return $varCache[$index] = $wgContLang->formatNum( date( 'd', $ts ) );
 			case MAG_PAGENAME:
 				return $this->mTitle->getText();
 			case MAG_PAGENAMEE:
@@ -1909,23 +2010,25 @@ class Parser
 			case MAG_FULLPAGENAME:
 				return $this->mTitle->getPrefixedText();
 			case MAG_FULLPAGENAMEE:
-				return wfUrlencode( $this->mTitle->getPrefixedText() );
+				return $this->mTitle->getPrefixedURL();
 			case MAG_REVISIONID:
-				return $wgArticle->getRevIdFetched();
+				return $this->mRevisionId;
 			case MAG_NAMESPACE:
 				return $wgContLang->getNsText( $this->mTitle->getNamespace() );
 			case MAG_NAMESPACEE:
 				return wfUrlencode( $wgContLang->getNsText( $this->mTitle->getNamespace() ) );
 			case MAG_CURRENTDAYNAME:
-				return $varCache[$index] = $wgContLang->getWeekdayName( date('w')+1 );
+				return $varCache[$index] = $wgContLang->getWeekdayName( date( 'w', $ts ) + 1 );
 			case MAG_CURRENTYEAR:
-				return $varCache[$index] = $wgContLang->formatNum( date( 'Y' ), true );
+				return $varCache[$index] = $wgContLang->formatNum( date( 'Y', $ts ), true );
 			case MAG_CURRENTTIME:
-				return $varCache[$index] = $wgContLang->time( wfTimestampNow(), false );
+				return $varCache[$index] = $wgContLang->time( wfTimestamp( TS_MW, $ts ), false, false );
 			case MAG_CURRENTWEEK:
-				return $varCache[$index] = $wgContLang->formatNum( date('W') );
+				// @bug 4594 PHP5 has it zero padded, PHP4 does not, cast to
+				// int to remove the padding
+				return $varCache[$index] = $wgContLang->formatNum( (int)date( 'W', $ts ) );
 			case MAG_CURRENTDOW:
-				return $varCache[$index] = $wgContLang->formatNum( date('w') );
+				return $varCache[$index] = $wgContLang->formatNum( date( 'w', $ts ) );
 			case MAG_NUMBEROFARTICLES:
 				return $varCache[$index] = $wgContLang->formatNum( wfNumberOfArticles() );
 			case MAG_NUMBEROFFILES:
@@ -1996,14 +2099,14 @@ class Parser
 
 			if ($lastOpeningBrace >= 0) {
 				$pos = strpos ($text, $openingBraceStack[$lastOpeningBrace]['braceEnd'], $i);
-			
+
 				if (false !== $pos && (-1 == $nextPos || $pos < $nextPos)){
 					$rule = null;
 					$nextPos = $pos;
 				}
 
 				$pos = strpos ($text, '|', $i);
-				
+
 				if (false !== $pos && (-1 == $nextPos || $pos < $nextPos)){
 					$rule = null;
 					$nextPos = $pos;
@@ -2023,14 +2126,14 @@ class Parser
 							   'title' => '',
 							   'parts' => null);
 
-				# count openning brace characters 
+				# count openning brace characters
 				while ($i+1 < strlen($text) && $text[$i+1] == $piece['brace']) {
 					$piece['count']++;
 					$i++;
 				}
 
-				$piece['startAt'] = $i+1; 
-				$piece['partStart'] = $i+1; 
+				$piece['startAt'] = $i+1;
+				$piece['partStart'] = $i+1;
 
 				# we need to add to stack only if openning brace count is enough for any given rule
 				foreach ($rule['cb'] as $cnt => $fn) {
@@ -2064,7 +2167,7 @@ class Parser
 							$matchingCallback = $fn;
 						}
 					}
-					
+
 					if ($matchingCount == 0) {
 						$i += $count - 1;
 						continue;
@@ -2078,7 +2181,7 @@ class Parser
 
 					$pieceStart = $openingBraceStack[$lastOpeningBrace]['startAt'] - $matchingCount;
 					$pieceEnd = $i + $matchingCount;
-					
+
 					if( is_callable( $matchingCallback ) ) {
 						$cbArgs = array (
 										 'text' => substr($text, $pieceStart, $pieceEnd - $pieceStart),
@@ -2129,7 +2232,7 @@ class Parser
 					}
 					else
 						$openingBraceStack[$lastOpeningBrace]['parts'][] = substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'], $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
-					
+
 					$openingBraceStack[$lastOpeningBrace]['partStart'] = $i + 1;
 				}
 			}
@@ -2185,7 +2288,7 @@ class Parser
 	 * @access private
 	 */
 	function variableSubstitution( $matches ) {
-		$fname = 'parser::variableSubstitution';
+		$fname = 'Parser::variableSubstitution';
 		$varname = $matches[1];
 		wfProfileIn( $fname );
 		if ( !$this->mVariables ) {
@@ -2249,13 +2352,15 @@ class Parser
 	 * @access private
 	 */
 	function braceSubstitution( $piece ) {
-		global $wgLinkCache, $wgContLang;
+		global $wgContLang;
 		$fname = 'Parser::braceSubstitution';
 		wfProfileIn( $fname );
 
 		$found = false;
 		$nowiki = false;
 		$noparse = false;
+		$replaceHeadings = false;
+		$isHTML = false;
 
 		$title = NULL;
 
@@ -2320,7 +2425,7 @@ class Parser
 			# Check for NS: (namespace expansion)
 			$mwNs = MagicWord::get( MAG_NS );
 			if ( $mwNs->matchStartAndRemove( $part1 ) ) {
-				if ( intval( $part1 ) ) {
+				if ( intval( $part1 ) || $part1 == "0" ) {
 					$text = $linestart . $wgContLang->getNsText( intval( $part1 ) );
 					$found = true;
 				} else {
@@ -2360,7 +2465,7 @@ class Parser
 			$mwLocalE =& MagicWord::get( MAG_LOCALURLE );
 			$mwFull =& MagicWord::get( MAG_FULLURL );
 			$mwFullE =& MagicWord::get( MAG_FULLURLE );
-			
+
 
 			if ( $mwLocal->matchStartAndRemove( $part1 ) ) {
 				$func = 'getLocalURL';
@@ -2418,7 +2523,7 @@ class Parser
 				$noparse = true;
 				$found = true;
 				$text = $linestart .
-					"\{\{$part1}}" .
+					'{{' . $part1 . '}}' .
 					'<!-- WARNING: template loop detected -->';
 				wfDebug( "$fname: template loop broken at '$part1'\n" );
 			} else {
@@ -2428,8 +2533,6 @@ class Parser
 		}
 
 		# Load from database
-		$replaceHeadings = false;
-		$isHTML = false;
 		$lastPathLevel = $this->mTemplatePath;
 		if ( !$found ) {
 			$ns = NS_TEMPLATE;
@@ -2439,47 +2542,51 @@ class Parser
 			}
 			$title = Title::newFromText( $part1, $ns );
 
-			if ($title) {
-				$interwiki = Title::getInterwikiLink($title->getInterwiki());
-				if ($interwiki != '' && $title->isTrans()) {
-					return $this->scarytransclude($title, $interwiki);
-				}
-			}
-
-			if ( !is_null( $title ) && !$title->isExternal() ) {
-				# Check for excessive inclusion
-				$dbk = $title->getPrefixedDBkey();
-				if ( $this->incrementIncludeCount( $dbk ) ) {
-					if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() ) {
-						# Capture special page output
-						$text = SpecialPage::capturePath( $title );
-						if ( is_string( $text ) ) {
-							$found = true;
-							$noparse = true;
-							$isHTML = true;
-							$this->disableCache();
-						}
-					} else {
-						$article = new Article( $title );
-						$articleContent = $article->fetchContent(0, false);
-						if ( $articleContent !== false ) {
-							$found = true;
-							$text = $articleContent;
-							$replaceHeadings = true;
+			if ( !is_null( $title ) ) {
+				if ( !$title->isExternal() ) {
+					# Check for excessive inclusion
+					$dbk = $title->getPrefixedDBkey();
+					if ( $this->incrementIncludeCount( $dbk ) ) {
+						if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() ) {
+							# Capture special page output
+							$text = SpecialPage::capturePath( $title );
+							if ( is_string( $text ) ) {
+								$found = true;
+								$noparse = true;
+								$isHTML = true;
+								$this->disableCache();
+							}
+						} else {
+							$articleContent = $this->fetchTemplate( $title );
+							if ( $articleContent !== false ) {
+								$found = true;
+								$text = $articleContent;
+								$replaceHeadings = true;
+							}
 						}
 					}
-				}
 
-				# If the title is valid but undisplayable, make a link to it
-				if ( $this->mOutputType == OT_HTML && !$found ) {
-					$text = '[['.$title->getPrefixedText().']]';
-					$found = true;
-				}
+					# If the title is valid but undisplayable, make a link to it
+					if ( $this->mOutputType == OT_HTML && !$found ) {
+						$text = '[['.$title->getPrefixedText().']]';
+						$found = true;
+					}
 
-				# Template cache array insertion
-				if( $found ) {
-					$this->mTemplates[$part1] = $text;
-					$text = $linestart . $text;
+					# Template cache array insertion
+					if( $found ) {
+						$this->mTemplates[$part1] = $text;
+						$text = $linestart . $text;
+					}
+				} elseif ( $title->isTrans() ) {
+					// Interwiki transclusion
+					if ( $this->mOutputType == OT_HTML ) {
+						$text = $this->interwikiTransclude( $title, 'render' );
+						$isHTML = true;
+						$noparse = true;
+					} else {
+						$text = $this->interwikiTransclude( $title, 'raw' );
+					}
+					$found = true;
 				}
 			}
 		}
@@ -2513,15 +2620,15 @@ class Parser
 
 			# If there are any <onlyinclude> tags, only include them
 			if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
-				preg_match_all( '/<onlyinclude>(.*?)<\/onlyinclude>/s', $text, $m );
+				preg_match_all( '/<onlyinclude>(.*?)\n?<\/onlyinclude>/s', $text, $m );
 				$text = '';
 				foreach ($m[1] as $piece)
-					$text .= $this->trimOnlyinclude( $piece );
+					$text .= $piece;
 			}
 			# Remove <noinclude> sections and <includeonly> tags
 			$text = preg_replace( '/<noinclude>.*?<\/noinclude>/s', '', $text );
 			$text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
-			
+
 			if( $this->mOutputType == OT_HTML ) {
 				# Strip <nowiki>, <pre>, etc.
 				$text = $this->strip( $text, $this->mStripState );
@@ -2529,11 +2636,6 @@ class Parser
 			}
 			$text = $this->replaceVariables( $text, $assocArgs );
 
-			# Resume the link cache and register the inclusion as a link
-			if ( $this->mOutputType == OT_HTML && !is_null( $title ) ) {
-				$wgLinkCache->addLinkObj( $title );
-			}
-
 			# If the template begins with a table or block-level
 			# element, it should be treated as beginning a new line.
 			if (!$piece['lineStart'] && preg_match('/^({\\||:|;|#|\*)/', $text)) {
@@ -2593,56 +2695,73 @@ class Parser
 			return $text;
 		}
 	}
-	
+
 	/**
-	 * Trim the first and last newlines of a string, this is not equivalent
-	 * to trim( $str, "\n" ) which would trim them all.
-	 *
-	 * @param string $str The string to trim
-	 * @return string
+	 * Fetch the unparsed text of a template and register a reference to it. 
 	 */
-	function trimOnlyinclude( $str ) {
-		$str = preg_replace( "/^\n/", '', $str );
-		$str = preg_replace( "/\n$/", '', $str );
-		return $str;
+	function fetchTemplate( $title ) {
+		$text = false;
+		// Loop to fetch the article, with up to 1 redirect
+		for ( $i = 0; $i < 2 && is_object( $title ); $i++ ) {
+			$rev = Revision::newFromTitle( $title );
+			$this->mOutput->addTemplate( $title, $title->getArticleID() );
+			if ( !$rev ) {
+				break;
+			}
+			$text = $rev->getText();
+			if ( $text === false ) {
+				break;
+			}
+			// Redirect?
+			$title = Title::newFromRedirect( $text );
+		}
+		return $text;
 	}
 
 	/**
-	 * Translude an interwiki link.
+	 * Transclude an interwiki link.
 	 */
-	function scarytransclude($title, $interwiki) {
-		global $wgEnableScaryTranscluding;
+	function interwikiTransclude( $title, $action ) {
+		global $wgEnableScaryTranscluding, $wgCanonicalNamespaceNames;
 
 		if (!$wgEnableScaryTranscluding)
 			return wfMsg('scarytranscludedisabled');
 
-		$articlename = "Template:" . $title->getDBkey();
-		$url = str_replace('$1', urlencode($articlename), $interwiki);
+		// The namespace will actually only be 0 or 10, depending on whether there was a leading :
+		// But we'll handle it generally anyway
+		if ( $title->getNamespace() ) {
+			// Use the canonical namespace, which should work anywhere
+			$articleName = $wgCanonicalNamespaceNames[$title->getNamespace()] . ':' . $title->getDBkey();
+		} else {
+			$articleName = $title->getDBkey();
+		}
+
+		$url = str_replace('$1', urlencode($articleName), Title::getInterwikiLink($title->getInterwiki()));
+		$url .= "?action=$action";
 		if (strlen($url) > 255)
 			return wfMsg('scarytranscludetoolong');
-		$text = $this->fetchScaryTemplateMaybeFromCache($url);
-		$this->mIWTransData[] = $text;
-		return "<!--IW_TRANSCLUDE ".(count($this->mIWTransData) - 1)."-->";
+		return $this->fetchScaryTemplateMaybeFromCache($url);
 	}
 
 	function fetchScaryTemplateMaybeFromCache($url) {
+		global $wgTranscludeCacheExpiry;
 		$dbr =& wfGetDB(DB_SLAVE);
 		$obj = $dbr->selectRow('transcache', array('tc_time', 'tc_contents'),
 				array('tc_url' => $url));
 		if ($obj) {
 			$time = $obj->tc_time;
 			$text = $obj->tc_contents;
-			if ($time && $time < (time() + (60*60))) {
+			if ($time && time() < $time + $wgTranscludeCacheExpiry ) {
 				return $text;
 			}
 		}
 
-		$text = wfGetHTTP($url . '?action=render');
+		$text = wfGetHTTP($url);
 		if (!$text)
 			return wfMsg('scarytranscludefailed', $url);
 
 		$dbw =& wfGetDB(DB_MASTER);
-		$dbw->replace('transcache', array(), array(
+		$dbw->replace('transcache', array('tc_url'), array(
 			'tc_url' => $url,
 			'tc_time' => time(),
 			'tc_contents' => $text));
@@ -2698,7 +2817,7 @@ class Parser
 	 * @access private
 	 */
 	function formatHeadings( $text, $isMain=true ) {
-		global $wgMaxTocLevel, $wgContLang, $wgLinkHolders, $wgInterwikiLinkHolders;
+		global $wgMaxTocLevel, $wgContLang;
 
 		$doNumberHeadings = $this->mOptions->getNumberHeadings();
 		$doShowToc = true;
@@ -2861,12 +2980,7 @@ class Parser
 			# strip out HTML
 			$canonized_headline = preg_replace( '/<.*?' . '>/','',$canonized_headline );
 			$tocline = trim( $canonized_headline );
-			$canonized_headline = urlencode( Sanitizer::decodeCharReferences( str_replace(' ', '_', $tocline) ) );
-			$replacearray = array(
-				'%3A' => ':',
-				'%' => '.'
-			);
-			$canonized_headline = str_replace(array_keys($replacearray),array_values($replacearray),$canonized_headline);
+			$canonized_headline = Sanitizer::escapeId( $tocline );
 			$refers[$headlineCount] = $canonized_headline;
 
 			# count how many in assoc. array so we can track dupes in anchors
@@ -3100,14 +3214,6 @@ class Parser
 	function pstPass2( $text, &$user ) {
 		global $wgContLang, $wgLocaltimezone;
 
-		# Variable replacement
-		# Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
-		$text = $this->replaceVariables( $text );
-
-		# Signatures
-		#
-		$sigText = $this->getUserSig( $user );
-
 		/* Note: This is the timestamp saved as hardcoded wikitext to
 		 * the database, we use $wgContLang here in order to give
 		 * everyone the same signiture and use the default one rather
@@ -3123,14 +3229,24 @@ class Parser
 			putenv( 'TZ='.$oldtz );
 		}
 
-		$text = preg_replace( '/~~~~~/', $d, $text );
-		$text = preg_replace( '/~~~~/', "$sigText $d", $text );
-		$text = preg_replace( '/~~~/', $sigText, $text );
+		# Variable replacement
+		# Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
+		$text = $this->replaceVariables( $text );
+		
+		# Signatures
+		$sigText = $this->getUserSig( $user );
+		$text = strtr( $text, array( 
+			'~~~~~' => $d,
+			'~~~~' => "$sigText $d",
+			'~~~' => $sigText
+		) );
 
 		# Context links: [[|name]] and [[name (context)|]]
 		#
-		$tc = "[&;%\\-,.\\(\\)' _0-9A-Za-z\\/:\\x80-\\xff]";
-		$np = "[&;%\\-,.' _0-9A-Za-z\\/:\\x80-\\xff]"; # No parens
+		global $wgLegalTitleChars;
+		$tc = "[$wgLegalTitleChars]";
+		$np = str_replace( array( '(', ')' ), array( '', '' ), $tc ); # No parens
+
 		$namespacechar = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
 		$conpat = "/^({$np}+) \\(({$tc}+)\\)$/";
 
@@ -3162,7 +3278,7 @@ class Parser
 
 		return $text;
 	}
-	
+
 	/**
 	 * Fetch the user's signature text, if any, and normalize to
 	 * validated, ready-to-insert wikitext.
@@ -3172,53 +3288,60 @@ class Parser
 	 * @access private
 	 */
 	function getUserSig( &$user ) {
-		$name = $user->getName();
-		$nick = trim( $user->getOption( 'nickname' ) );
-		if ( '' == $nick ) {
-			$nick = $name;
-		}
-		
-		if( $user->getOption( 'fancysig' ) ) {
-			// A wikitext signature.
-			$valid = $this->validateSig( $nick );
-			if( $valid === false ) {
-				// Fall back to default sig
-				$nick = $name;
-				wfDebug( "Parser::getUserSig: $name has bad XML tags in signature.\n" );
+		global $wgContLang;
+
+		$username = $user->getName();
+		$nickname = $user->getOption( 'nickname' );
+		$nickname = $nickname === '' ? $username : $nickname;
+	
+		if( $user->getBoolOption( 'fancysig' ) !== false ) {
+			# Sig. might contain markup; validate this
+			if( $this->validateSig( $nickname ) !== false ) {
+				# Validated; clean up (if needed) and return it
+				return( $this->cleanSig( $nickname ) );
 			} else {
-				return $nick;
+				# Failed to validate; fall back to the default
+				$nickname = $username;
+				wfDebug( "Parser::getUserSig: $username has bad XML tags in signature.\n" );
 			}
 		}
-		
-		// Plain text linking to the user's homepage
-		global $wgContLang;
-		$page = $user->getUserPage();
-		return '[[' .
-			$page->getPrefixedText() .
-			"|" .
-			wfEscapeWikIText( $nick ) .
-			"]]";
+
+		# If we're still here, make it a link to the user page
+		$userpage = $user->getUserPage();
+		return( '[[' . $userpage->getPrefixedText() . '|' . wfEscapeWikiText( $nickname ) . ']]' );
 	}
-	
+
 	/**
-	 * We want to enforce two rules on wikitext sigs here:
-	 * 1) Expand any templates at save time (forced subst:)
-	 * 2) Check for unbalanced XML tags, and reject if so.
+	 * Check that the user's signature contains no bad XML
 	 *
 	 * @param string $text
 	 * @return mixed An expanded string, or false if invalid.
-	 *
-	 * @todo Run brace substitutions
-	 * @todo ?? Check for unbalanced '' and ''' quotes, etc
 	 */
 	function validateSig( $text ) {
-		if( wfIsWellFormedXmlFragment( $text ) ) {
-			return $text;
-		} else {
-			return false;
-		}
+		return( wfIsWellFormedXmlFragment( $text ) ? $text : false );
 	}
+	
+	/**
+	 * Clean up signature text
+	 *
+	 * 1) Strip ~~~, ~~~~ and ~~~~~ out of signatures
+	 * 2) Substitute all transclusions
+	 *
+	 * @param string $text
+	 * @return string Signature text
+	 */
+	function cleanSig( $text ) {
+		$substWord = MagicWord::get( MAG_SUBST );
+		$substRegex = '/\{\{(?!(?:' . $substWord->getBaseRegex() . '))/x' . $substWord->getRegexCase();
+		$substText = '{{' . $substWord->getSynonym( 0 );
 
+		$text = preg_replace( $substRegex, $substText, $text );
+		$text = preg_replace( '/~{3,5}/', '', $text );
+		$text = $this->replaceVariables( $text );
+	
+		return $text;
+	}
+	
 	/**
 	 * Set up some variables which are usually set up in parse()
 	 * so that an external function can call some class members with confidence
@@ -3245,12 +3368,16 @@ class Parser
 		global $wgTitle;
 		static $executing = false;
 
+		$fname = "Parser::transformMsg";
+
 		# Guard against infinite recursion
 		if ( $executing ) {
 			return $text;
 		}
 		$executing = true;
 
+		wfProfileIn($fname);
+
 		$this->mTitle = $wgTitle;
 		$this->mOptions = $options;
 		$this->mOutputType = OT_MSG;
@@ -3258,6 +3385,7 @@ class Parser
 		$text = $this->replaceVariables( $text );
 
 		$executing = false;
+		wfProfileOut($fname);
 		return $text;
 	}
 
@@ -3265,11 +3393,18 @@ class Parser
 	 * Create an HTML-style tag, e.g. <yourtag>special text</yourtag>
 	 * Callback will be called with the text within
 	 * Transform and return the text within
+	 *
 	 * @access public
+	 *
+	 * @param mixed $tag The tag to use, e.g. 'hook' for <hook>
+	 * @param mixed $callback The callback function (and object) to use for the tag
+	 *
+	 * @return The old value of the mTagHooks array associated with the hook
 	 */
 	function setHook( $tag, $callback ) {
 		$oldVal = @$this->mTagHooks[$tag];
 		$this->mTagHooks[$tag] = $callback;
+
 		return $oldVal;
 	}
 
@@ -3283,7 +3418,7 @@ class Parser
 	 * $options is a bit field, RLH_FOR_UPDATE to select for update
 	 */
 	function replaceLinkHolders( &$text, $options = 0 ) {
-		global $wgUser, $wgLinkCache;
+		global $wgUser;
 		global $wgOutputReplace;
 
 		$fname = 'Parser::replaceLinkHolders';
@@ -3291,7 +3426,8 @@ class Parser
 
 		$pdbks = array();
 		$colours = array();
-		$sk = $this->mOptions->getSkin();
+		$sk =& $this->mOptions->getSkin();
+		$linkCache =& LinkCache::singleton();
 
 		if ( !empty( $this->mLinkHolders['namespaces'] ) ) {
 			wfProfileIn( $fname.'-check' );
@@ -3304,7 +3440,7 @@ class Parser
 
 			# Generate query
 			$query = false;
-			foreach ( $this->mLinkHolders['namespaces'] as $key => $val ) {
+			foreach ( $this->mLinkHolders['namespaces'] as $key => $ns ) {
 				# Make title object
 				$title = $this->mLinkHolders['titles'][$key];
 
@@ -3315,23 +3451,26 @@ class Parser
 				}
 				$pdbk = $pdbks[$key] = $title->getPrefixedDBkey();
 
-				# Check if it's in the link cache already
-				if ( $title->isAlwaysKnown() || $wgLinkCache->getGoodLinkID( $pdbk ) ) {
+				# Check if it's a static known link, e.g. interwiki
+				if ( $title->isAlwaysKnown() ) {
 					$colours[$pdbk] = 1;
-				} elseif ( $wgLinkCache->isBadLink( $pdbk ) ) {
+				} elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
+					$colours[$pdbk] = 1;
+					$this->mOutput->addLink( $title, $id );
+				} elseif ( $linkCache->isBadLink( $pdbk ) ) {
 					$colours[$pdbk] = 0;
 				} else {
 					# Not in the link cache, add it to the query
 					if ( !isset( $current ) ) {
-						$current = $val;
+						$current = $ns;
 						$query =  "SELECT page_id, page_namespace, page_title";
 						if ( $threshold > 0 ) {
 							$query .= ', page_len, page_is_redirect';
 						}
-						$query .= " FROM $page WHERE (page_namespace=$val AND page_title IN(";
-					} elseif ( $current != $val ) {
-						$current = $val;
-						$query .= ")) OR (page_namespace=$val AND page_title IN(";
+						$query .= " FROM $page WHERE (page_namespace=$ns AND page_title IN(";
+					} elseif ( $current != $ns ) {
+						$current = $ns;
+						$query .= ")) OR (page_namespace=$ns AND page_title IN(";
 					} else {
 						$query .= ', ';
 					}
@@ -3354,7 +3493,8 @@ class Parser
 				while ( $s = $dbr->fetchObject($res) ) {
 					$title = Title::makeTitle( $s->page_namespace, $s->page_title );
 					$pdbk = $title->getPrefixedDBkey();
-					$wgLinkCache->addGoodLinkObj( $s->page_id, $title );
+					$linkCache->addGoodLinkObj( $s->page_id, $title );
+					$this->mOutput->addLink( $title, $s->page_id );
 
 					if ( $threshold >  0 ) {
 						$size = $s->page_len;
@@ -3378,8 +3518,9 @@ class Parser
 				$searchkey = "<!--LINK $key-->";
 				$title = $this->mLinkHolders['titles'][$key];
 				if ( empty( $colours[$pdbk] ) ) {
-					$wgLinkCache->addBadLinkObj( $title );
+					$linkCache->addBadLinkObj( $title );
 					$colours[$pdbk] = 0;
+					$this->mOutput->addLink( $title, 0 );
 					$wgOutputReplace[$searchkey] = $sk->makeBrokenLinkObj( $title,
 									$this->mLinkHolders['texts'][$key],
 									$this->mLinkHolders['queries'][$key] );
@@ -3435,7 +3576,7 @@ class Parser
 	 * @return string
 	 */
 	function replaceLinkHoldersText( $text ) {
-		global $wgUser, $wgLinkCache;
+		global $wgUser;
 		global $wgOutputReplace;
 
 		$fname = 'Parser::replaceLinkHoldersText';
@@ -3478,16 +3619,12 @@ class Parser
 	 * given as text will return the HTML of a gallery with two images,
 	 * labeled 'The number "1"' and
 	 * 'A tree'.
-	 *
-	 * @static
 	 */
 	function renderImageGallery( $text ) {
 		# Setup the parser
-		global $wgUser, $wgTitle;
-		$parserOptions = ParserOptions::newFromUser( $wgUser );
+		$parserOptions = new ParserOptions;
 		$localParser = new Parser();
 
-		global $wgLinkCache;
 		$ig = new ImageGallery();
 		$ig->setShowBytes( false );
 		$ig->setShowFilename( false );
@@ -3501,7 +3638,7 @@ class Parser
 			if ( count( $matches ) == 0 ) {
 				continue;
 			}
-			$nt = Title::newFromURL( $matches[1] );
+			$nt =& Title::newFromText( $matches[1] );
 			if( is_null( $nt ) ) {
 				# Bogus title. Ignore these so we don't bomb out later.
 				continue;
@@ -3512,11 +3649,11 @@ class Parser
 				$label = '';
 			}
 
-			$html = $localParser->parse( $label , $wgTitle, $parserOptions );
-			$html = $html->mText;
+			$pout = $localParser->parse( $label , $this->mTitle, $parserOptions );
+			$html = $pout->getText();
 
 			$ig->add( new Image( $nt ), $html );
-			$wgLinkCache->addImageLinkObj( $nt );
+			$this->mOutput->addImage( $nt->getDBkey() );
 		}
 		return $ig->toHTML();
 	}
@@ -3525,8 +3662,7 @@ class Parser
 	 * Parse image options text and use it to make an image
 	 */
 	function makeImage( &$nt, $options ) {
-		global $wgContLang, $wgUseImageResize;
-		global $wgUser, $wgThumbLimits;
+		global $wgContLang, $wgUseImageResize, $wgUser;
 
 		$align = '';
 
@@ -3599,14 +3735,14 @@ class Parser
 	}
 
 	/**
-	 * Set a flag in the output object indicating that the content is dynamic and 
+	 * Set a flag in the output object indicating that the content is dynamic and
 	 * shouldn't be cached.
 	 */
 	function disableCache() {
 		$this->mOutput->mCacheTime = -1;
 	}
-	
-	/**
+
+	/**#@+ 
 	 * Callback from the Sanitizer for expanding items found in HTML attribute
 	 * values, so they can be safely tested and escaped.
 	 * @param string $text
@@ -3619,12 +3755,27 @@ class Parser
 		$text = $this->unstripForHTML( $text );
 		return $text;
 	}
-	
+
 	function unstripForHTML( $text ) {
 		$text = $this->unstrip( $text, $this->mStripState );
 		$text = $this->unstripNoWiki( $text, $this->mStripState );
 		return $text;
 	}
+	/**#@-*/
+
+	/**#@+
+	 * Accessor/mutator
+	 */
+	function Title( $x = NULL ) { return wfSetVar( $this->mTitle, $x ); }
+	function Options( $x = NULL ) { return wfSetVar( $this->mOptions, $x ); }
+	function OutputType( $x = NULL ) { return wfSetVar( $this->mOutputType, $x ); }
+	/**#@-*/
+
+	/**#@+
+	 * Accessor
+	 */
+	function getTags() { return array_keys( $this->mTagHooks ); }
+	/**#@-*/
 }
 
 /**
@@ -3633,43 +3784,85 @@ class Parser
  */
 class ParserOutput
 {
-	var $mText, $mLanguageLinks, $mCategoryLinks, $mContainsOldMagic;
-	var $mCacheTime; # Timestamp on this article, or -1 for uncacheable. Used in ParserCache.
-	var $mVersion;   # Compatibility check
-	var $mTitleText; # title text of the chosen language variant
+	var $mText,             # The output text
+		$mLanguageLinks,    # List of the full text of language links, in the order they appear
+		$mCategories,       # Map of category names to sort keys
+		$mContainsOldMagic, # Boolean variable indicating if the input contained variables like {{CURRENTDAY}}
+		$mCacheTime,        # Timestamp on this article, or -1 for uncacheable. Used in ParserCache.
+		$mVersion,          # Compatibility check
+		$mTitleText,        # title text of the chosen language variant
+		$mLinks,            # 2-D map of NS/DBK to ID for the links in the document. ID=zero for broken.
+		$mTemplates,        # 2-D map of NS/DBK to ID for the template references. ID=zero for broken.
+		$mImages,           # DB keys of the images used, in the array key only
+		$mExternalLinks;    # External link URLs, in the key only
 
 	function ParserOutput( $text = '', $languageLinks = array(), $categoryLinks = array(),
 		$containsOldMagic = false, $titletext = '' )
 	{
 		$this->mText = $text;
 		$this->mLanguageLinks = $languageLinks;
-		$this->mCategoryLinks = $categoryLinks;
+		$this->mCategories = $categoryLinks;
 		$this->mContainsOldMagic = $containsOldMagic;
 		$this->mCacheTime = '';
 		$this->mVersion = MW_PARSER_VERSION;
 		$this->mTitleText = $titletext;
+		$this->mLinks = array();
+		$this->mTemplates = array();
+		$this->mImages = array();
+		$this->mExternalLinks = array();
 	}
 
 	function getText()                   { return $this->mText; }
 	function getLanguageLinks()          { return $this->mLanguageLinks; }
-	function getCategoryLinks()          { return array_keys( $this->mCategoryLinks ); }
+	function getCategoryLinks()          { return array_keys( $this->mCategories ); }
+	function &getCategories()            { return $this->mCategories; }
 	function getCacheTime()              { return $this->mCacheTime; }
 	function getTitleText()              { return $this->mTitleText; }
+	function &getLinks()                 { return $this->mLinks; }
+	function &getTemplates()             { return $this->mTemplates; }
+	function &getImages()                { return $this->mImages; }
+	function &getExternalLinks()         { return $this->mExternalLinks; }
+
 	function containsOldMagic()          { return $this->mContainsOldMagic; }
 	function setText( $text )            { return wfSetVar( $this->mText, $text ); }
 	function setLanguageLinks( $ll )     { return wfSetVar( $this->mLanguageLinks, $ll ); }
-	function setCategoryLinks( $cl )     { return wfSetVar( $this->mCategoryLinks, $cl ); }
+	function setCategoryLinks( $cl )     { return wfSetVar( $this->mCategories, $cl ); }
 	function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic, $com ); }
 	function setCacheTime( $t )          { return wfSetVar( $this->mCacheTime, $t ); }
 	function setTitleText( $t )          { return wfSetVar ($this->mTitleText, $t); }
 
-	function addCategoryLink( $c )       { $this->mCategoryLinks[$c] = 1; }
+	function addCategory( $c, $sort )    { $this->mCategories[$c] = $sort; }
+	function addImage( $name )           { $this->mImages[$name] = 1; }
+	function addLanguageLink( $t )       { $this->mLanguageLinks[] = $t; }
+	function addExternalLink( $url )     { $this->mExternalLinks[$url] = 1; }
+
+	function addLink( $title, $id ) {
+		$ns = $title->getNamespace();
+		$dbk = $title->getDBkey();
+		if ( !isset( $this->mLinks[$ns] ) ) {
+			$this->mLinks[$ns] = array();
+		}
+		$this->mLinks[$ns][$dbk] = $id;
+	}
+
+	function addTemplate( $title, $id ) {
+		$ns = $title->getNamespace();
+		$dbk = $title->getDBkey();
+		if ( !isset( $this->mTemplates[$ns] ) ) {
+			$this->mTemplates[$ns] = array();
+		}
+		$this->mTemplates[$ns][$dbk] = $id;
+	}
 
+	/**
+	 * @deprecated
+	 */
+	/*
 	function merge( $other ) {
 		$this->mLanguageLinks = array_merge( $this->mLanguageLinks, $other->mLanguageLinks );
-		$this->mCategoryLinks = array_merge( $this->mCategoryLinks, $this->mLanguageLinks );
+		$this->mCategories = array_merge( $this->mCategories, $this->mLanguageLinks );
 		$this->mContainsOldMagic = $this->mContainsOldMagic || $other->mContainsOldMagic;
-	}
+	}*/
 
 	/**
 	 * Return true if this cached output object predates the global or
@@ -3708,6 +3901,7 @@ class ParserOptions
 	var $mEditSection;               # Create "edit section" links
 	var $mNumberHeadings;            # Automatically number headings
 	var $mAllowSpecialInclusion;     # Allow inclusion of special pages
+	var $mTidy;	        	 # Ask for tidy cleanup
 
 	function getUseTeX()                        { return $this->mUseTeX; }
 	function getUseDynamicDates()               { return $this->mUseDynamicDates; }
@@ -3719,7 +3913,7 @@ class ParserOptions
 	function getEditSection()                   { return $this->mEditSection; }
 	function getNumberHeadings()                { return $this->mNumberHeadings; }
 	function getAllowSpecialInclusion()         { return $this->mAllowSpecialInclusion; }
-
+	function getTidy()		            { return $this->mTidy; }
 
 	function setUseTeX( $x )                    { return wfSetVar( $this->mUseTeX, $x ); }
 	function setUseDynamicDates( $x )           { return wfSetVar( $this->mUseDynamicDates, $x ); }
@@ -3730,7 +3924,7 @@ class ParserOptions
 	function setEditSection( $x )               { return wfSetVar( $this->mEditSection, $x ); }
 	function setNumberHeadings( $x )            { return wfSetVar( $this->mNumberHeadings, $x ); }
 	function setAllowSpecialInclusion( $x )     { return wfSetVar( $this->mAllowSpecialInclusion, $x ); }
-
+	function setTidy( $x )			    { return wfSetVar( $this->mTidy, $x); }
 	function setSkin( &$x ) { $this->mSkin =& $x; }
 
 	function ParserOptions() {
@@ -3773,6 +3967,7 @@ class ParserOptions
 		$this->mEditSection = true;
 		$this->mNumberHeadings = $user->getOption( 'numberheadings' );
 		$this->mAllowSpecialInclusion = $wgAllowSpecialInclusion;
+		$this->mTidy = false;
 		wfProfileOut( $fname );
 	}
 }
@@ -3812,7 +4007,7 @@ function wfNumberOfFiles() {
 
 /**
  * Get various statistics from the database
- * @private
+ * @access private
  */
 function wfLoadSiteStats() {
 	global $wgNumberOfArticles, $wgTotalViews, $wgTotalEdits;
@@ -3836,7 +4031,7 @@ function wfLoadSiteStats() {
 
 /**
  * Escape html tags
- * Basicly replacing " > and < with HTML entities ( &quot;, &gt;, &lt;)
+ * Basically replacing " > and < with HTML entities ( &quot;, &gt;, &lt;)
  *
  * @param string $in Text that might contain HTML tags
  * @return string Escaped string