- Patch #110888 by Heine: fixed drupal_alter glitch().

modules/comment/comment.module

@@ -374,7 +374,7 @@ function comment_link($type, $node = NULL, $teaser = FALSE) {
   return $links;
 }
 
-function comment_form_alter($form, $form_id) {
+function comment_form_alter(&$form, $form_id) {
   if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
     $form['workflow']['comment'] = array(
       '#type' => 'radios',
@@ -403,7 +403,6 @@ function comment_form_alter($form, $form_id) {
       );
     }
   }
-  return $form;
 }
 
 /**