From cd148a2b8fe75c491428a80a8dca95e1e2b558c7 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Mon, 24 Mar 2008 23:33:31 +0000
Subject: [PATCH] * (bug 12077) Fix HTML nesting for TOC Patch by WTucker at
 https://bugzilla.wikimedia.org/show_bug.cgi?id=12077#c5 Plus parser test case

---
 RELEASE-NOTES               |  1 +
 includes/Parser.php         |  1 +
 maintenance/parserTests.txt | 23 +++++++++++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 45b3bcae3d..cb671fcd3b 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -128,6 +128,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 11874) Inline CSS with !important no longer borken
 * (bug 1600) Strip extra == section markup == in new-comment field
 * (bug 11325) Wrapped page titles in MonoBook skin spaced more nicely
+* (bug 12077) Fix HTML nesting for TOC
 
 
 === API changes in 1.13 ===
diff --git a/includes/Parser.php b/includes/Parser.php
index 86e90cee24..64ebdc89b1 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -3437,6 +3437,7 @@ class Parser
 						if($prevtoclevel < $wgMaxTocLevel) {
 							# Unindent only if the previous toc level was shown :p
 							$toc .= $sk->tocUnindent( $prevtoclevel - $toclevel );
+							$prevtoclevel = $toclevel;
 						} else {
 							$toc .= $sk->tocLineEnd();
 						}
diff --git a/maintenance/parserTests.txt b/maintenance/parserTests.txt
index a8ca7d913a..109407e2a6 100644
--- a/maintenance/parserTests.txt
+++ b/maintenance/parserTests.txt
@@ -3605,6 +3605,29 @@ Link inside a section heading
 
 !! end
 
+!! test
+TOC regression (bug 12077)
+!! input
+__TOC__
+== title 1 ==
+=== title 1.1 ===
+== title 2 ==
+!! result
+<table id="toc" class="toc" summary="Contents"><tr><td><div id="toctitle"><h2>Contents</h2></div>
+<ul>
+<li class="toclevel-1"><a href="#title_1"><span class="tocnumber">1</span> <span class="toctext">title 1</span></a>
+<ul>
+<li class="toclevel-2"><a href="#title_1.1"><span class="tocnumber">1.1</span> <span class="toctext">title 1.1</span></a></li>
+</ul>
+</li>
+<li class="toclevel-1"><a href="#title_2"><span class="tocnumber">2</span> <span class="toctext">title 2</span></a></li>
+</ul>
+</td></tr></table><script type="text/javascript"> if (window.showTocToggle) { var tocShowText = "show"; var tocHideText = "hide"; showTocToggle(); } </script>
+<a name="title_1"></a><h2><span class="editsection">[<a href="/index.php?title=Parser_test&amp;action=edit&amp;section=1" title="Edit section: title 1">edit</a>]</span> <span class="mw-headline"> title 1 </span></h2>
+<a name="title_1.1"></a><h3><span class="editsection">[<a href="/index.php?title=Parser_test&amp;action=edit&amp;section=2" title="Edit section: title 1.1">edit</a>]</span> <span class="mw-headline"> title 1.1 </span></h3>
+<a name="title_2"></a><h2><span class="editsection">[<a href="/index.php?title=Parser_test&amp;action=edit&amp;section=3" title="Edit section: title 2">edit</a>]</span> <span class="mw-headline"> title 2 </span></h2>
+
+!! end
 
 !! test
 BUG 1219 URL next to image (good)
-- 
2.20.1