From f4ecc574f0d2b65aafde269780e2a4cdc1642424 Mon Sep 17 00:00:00 2001
From: physikerwelt <wiki@physikerwelt.de>
Date: Sun, 26 Jan 2014 00:24:59 +0000
Subject: [PATCH] Remove $wgUseTeX for checking if editing tools should be
 shown

The EditPage toolbar used the global $wgUseTeX to determine, if
the icon for inserting math should be shown. Now we simply check
if the class MathRenderer exits.

Change-Id: I0a0203f2d8c295bfc56694eb08c9986420c086cf
---
 includes/EditPage.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/includes/EditPage.php b/includes/EditPage.php
index 7115eabdd0..a71871de40 100644
--- a/includes/EditPage.php
+++ b/includes/EditPage.php
@@ -3319,7 +3319,7 @@ HTML
 	 */
 	static function getEditToolbar() {
 		global $wgStylePath, $wgContLang, $wgLang, $wgOut;
-		global $wgUseTeX, $wgEnableUploads, $wgForeignFileRepos;
+		global $wgEnableUploads, $wgForeignFileRepos;
 
 		$imagesAvailable = $wgEnableUploads || count( $wgForeignFileRepos );
 
@@ -3400,7 +3400,7 @@ HTML
 				'tip'    => wfMessage( 'media_tip' )->text(),
 				'key'    => 'M'
 			) : false,
-			$wgUseTeX ? array(
+			class_exists( 'MathRenderer' ) ? array(
 				'image'  => $wgLang->getImageFile( 'button-math' ),
 				'id'     => 'mw-editbutton-math',
 				'open'   => "<math>",
-- 
2.20.1