From: Aryeh Gregor <simetrical@users.mediawiki.org>
Date: Wed, 29 Aug 2007 00:06:58 +0000 (+0000)
Subject: (bug 8393) <sup> and <sub> need to be preserved (without attributes) for entries... 
X-Git-Tag: 1.31.0-rc.0~51612
X-Git-Url: http://git.cyclocoop.org/%24action?a=commitdiff_plain;h=ab3a00a097a46c81be1bcd5fed02163f981020e4;p=lhc%2Fweb%2Fwiklou.git

(bug 8393) <sup> and <sub> need to be preserved (without attributes) for entries in the table of contents.
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 4e645c2a2e..c3ed0eda80 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -424,6 +424,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 11072) Fix regression in API image history query
 * (bug 10985) Resolved cached entries on Special:DoubleRedirects were being
   supressed, breaking paging - now strikes out "fixed" results
+* (bug 8393) <sup> and <sub> need to be preserved (without attributes) for
+  entries in the table of contents
 
 == API changes since 1.10 ==
 
diff --git a/includes/Parser.php b/includes/Parser.php
index af358cd9e1..b2256b1a76 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -3641,12 +3641,20 @@ class Parser
 							    "\$this->mInterwikiLinkHolders['texts'][\$1]",
 							    $canonized_headline );
 
-			# strip out HTML
-			$canonized_headline = preg_replace( '/<.*?' . '>/','',$canonized_headline );
-			$tocline = trim( $canonized_headline );
+			# Strip out HTML (other than plain <sup> and <sub>: bug 8393)
+			$tocline = preg_replace(
+				array( '#<(?!/?(sup|sub)).*?'.'>#', '#<(/?(sup|sub)).*?'.'>#' ),
+				array( '',                          '<$1>'),
+				$canonized_headline
+			);
+			$tocline = trim( $tocline );
+
+			# For the anchor, strip out HTML-y stuff period
+			$canonized_headline = preg_replace( '/<.*?'.'>/', '', $canonized_headline );
+
 			# Save headline for section edit hint before it's escaped
 			$headline_hint = trim( $canonized_headline );
-			$canonized_headline = Sanitizer::escapeId( $tocline );
+			$canonized_headline = Sanitizer::escapeId( $canonized_headline );
 			$refers[$headlineCount] = $canonized_headline;
 
 			# count how many in assoc. array so we can track dupes in anchors