Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.932
diff -u -p -r1.932 comment.module
--- modules/comment/comment.module	13 Jan 2011 00:43:21 -0000	1.932
+++ modules/comment/comment.module	15 Jan 2011 14:01:37 -0000
@@ -2275,7 +2275,7 @@ function template_preprocess_comment(&$v
   $variables['signature'] = $comment->signature;
 
   $uri = entity_uri('comment', $comment);
-  $uri['options'] += array('attributes' => array('class' => 'permalink', 'rel' => 'bookmark'));
+  $uri['options'] += array('attributes' => array('class' => array('permalink'), 'rel' => 'bookmark'));
 
   $variables['title']     = l($comment->subject, $uri['path'], $uri['options']);
   $variables['permalink'] = l(t('Permalink'), $uri['path'], $uri['options']);