From 4f9c3545617eca2b07bd7c5b92f00effd6b668b8 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Sun, 29 May 2005 20:43:30 +0000
Subject: [PATCH] * (bug 2262) Hide math preferences when TeX is not enabled

---
 RELEASE-NOTES                   |  1 +
 includes/SpecialPreferences.php | 18 ++++++++++++------
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index b110414e6a..083f8617bd 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -221,6 +221,7 @@ Various bugfixes, small features, and a few experimental things:
 * Add validate table and val_ip column through the updater.
 * Simple rate limiter for edits and page moves; set $wgRateLimits
   (somewhat experimental; currently needs memcached)
+* (bug 2262) Hide math preferences when TeX is not enabled
 
 
 === Caveats ===
diff --git a/includes/SpecialPreferences.php b/includes/SpecialPreferences.php
index 698216b446..46b6d88644 100644
--- a/includes/SpecialPreferences.php
+++ b/includes/SpecialPreferences.php
@@ -204,7 +204,10 @@ class PreferencesForm {
 		$wgUser->setOption( 'nickname', $this->mNick );
 		$wgUser->setOption( 'quickbar', $this->mQuickbar );
 		$wgUser->setOption( 'skin', $this->mSkin );
-		$wgUser->setOption( 'math', $this->mMath );
+		global $wgUseTeX;
+		if( $wgUseTeX ) {
+			$wgUser->setOption( 'math', $this->mMath );
+		}
 		$wgUser->setOption( 'date', $this->mDate );
 		$wgUser->setOption( 'searchlimit', $this->validateIntOrNull( $this->mSearch ) );
 		$wgUser->setOption( 'contextlines', $this->validateIntOrNull( $this->mSearchLines ) );
@@ -600,12 +603,15 @@ class PreferencesForm {
 
 		# Math
 		#
-		$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg('math') . '</legend>' );
-		foreach ( $mathopts as $k => $v ) {
-			$checked = $k == $this->mMath ? ' checked="checked"' : '';
-			$wgOut->addHTML( "<div><label><input type='radio' name='wpMath' value=\"$k\"$checked /> ".wfMsg($v)."</label></div>\n" );
+		global $wgUseTeX;
+		if( $wgUseTeX ) {
+			$wgOut->addHTML( "<fieldset>\n<legend>" . wfMsg('math') . '</legend>' );
+			foreach ( $mathopts as $k => $v ) {
+				$checked = $k == $this->mMath ? ' checked="checked"' : '';
+				$wgOut->addHTML( "<div><label><input type='radio' name='wpMath' value=\"$k\"$checked /> ".wfMsg($v)."</label></div>\n" );
+			}
+			$wgOut->addHTML( "</fieldset>\n\n" );
 		}
-		$wgOut->addHTML( "</fieldset>\n\n" );
 
 		# Files
 		#
-- 
2.20.1