From: Chad Horohoe <demon@users.mediawiki.org>
Date: Thu, 22 Oct 2009 11:40:38 +0000 (+0000)
Subject: (bug 21222) Free <math> tag if not using it. Patch by Platonides.
X-Git-Tag: 1.31.0-rc.0~39188
X-Git-Url: http://git.cyclocoop.org/%22.%24info%5B?a=commitdiff_plain;h=bfaf6cc2b487f17b343b620993370e040efbcf90;p=lhc%2Fweb%2Fwiklou.git

(bug 21222) Free <math> tag if not using it. Patch by Platonides.
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 87f8e67e91..3fe43f94ac 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -254,6 +254,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
   reuploading.
 * Added $wgRateLimitsExcludedIPs, to allow specific IPs to be whitelisted from
   rate limits.
+* (bug 21222) When $wgUseTeX is not enabled, <math> is no longer registered with
+  the parser so extensions are free to implement their own <math> tag
 
 === Bug fixes in 1.16 ===
 
diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php
index c96ada40b6..f1d8fcda63 100644
--- a/includes/parser/Parser.php
+++ b/includes/parser/Parser.php
@@ -3282,8 +3282,11 @@ class Parser
 					$output = Xml::escapeTagsOnly( $content );
 					break;
 				case 'math':
-					$output = $wgContLang->armourMath(
-						MathRenderer::renderMath( $content, $attributes ) );
+					if ( $this->mOptions->getUseTeX() ) {
+						$output = $wgContLang->armourMath(
+							MathRenderer::renderMath( $content, $attributes ) );
+					}
+					/* else let a tag hook handle it (bug 21222) */	
 					break;
 				case 'gallery':
 					$output = $this->renderImageGallery( $content, $attributes );