? sites/d7-head.com
? sites/all/libraries
Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.917
diff -u -p -r1.917 comment.module
--- modules/comment/comment.module	15 Nov 2010 00:49:46 -0000	1.917
+++ modules/comment/comment.module	18 Nov 2010 05:30:21 -0000
@@ -2112,6 +2112,8 @@ function comment_form_validate($form, &$
   if ($form_state['values']['homepage'] && !valid_url($form_state['values']['homepage'], TRUE)) {
     form_set_error('homepage', t('The URL of your homepage is not valid. Remember that it must be fully qualified, i.e. of the form <code>http://example.com/directory</code>.'));
   }
+  
+  module_invoke_all('comment_validate', $form_state['values']['comment_body']['und'][0]['value']);
 }
 
 /**