- Patch #58956 by timcn: prevent multiple class names from being glued together.

1 files changed, 2 insertions, 1 deletions

diff --git a/misc/drupal.js b/misc/drupal.js
index e697fc855..6bbe8fc74 100644
--- a/misc/drupal.js
+++ b/misc/drupal.js
@@ -259,7 +259,8 @@ function removeClass(node, className) {
   if (!hasClass(node, className)) {
     return false;
   }
-  node.className = eregReplace('(^| )'+ className +'($| )', '', node.className);
+  // Replaces words surrounded with whitespace or at a string border with a space. Prevents multiple class names from being glued together.
+  node.className = eregReplace('(^|\\s+)'+ className +'($|\\s+)', ' ', node.className);
   return true;
 }