Index: modules/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment.module,v
retrieving revision 1.347.2.6
diff -u -r1.347.2.6 comment.module
--- modules/comment.module	25 Jul 2005 09:41:20 -0000	1.347.2.6
+++ modules/comment.module	2 Sep 2005 01:30:50 -0000
@@ -482,6 +482,9 @@
     }
   }
 
+  // Invoke other validation handlers
+  module_invoke_all('comment', 'validate', $edit);
+
   return $edit;
 }
 
@@ -1404,10 +1407,16 @@
   if (variable_get('comment_subject_field', 1)) {
     $form .= form_textfield(t('Subject'), 'subject', $edit['subject'], 50, 64);
   }
+  
+  // Invoke other form handlers
+  $form .= implode('', module_invoke_all('comment', 'form pre', $edit));
 
   // comment field:
   $form .= form_textarea(t('Comment'), 'comment', $edit['comment'] ? $edit['comment'] : $user->signature, 70, 10, '', NULL, TRUE);
 
+  // Invoke other form handlers
+  $form .= implode('', module_invoke_all('comment', 'form post', $edit));
+
   // format selector
   $form .= filter_form('format', $edit['format']);
 
@@ -1424,8 +1433,13 @@
   if (!variable_get('comment_preview', 1) || ($_POST['op'] == t('Preview comment')) || ($_POST['op'] == t('Post comment'))) {
     $form .= form_submit(t('Post comment'));
   }
-
-  return theme('box', $title, form($form, 'post', url('comment/reply/'. $edit['nid'])));
+  $extra = module_invoke_all('comment', 'form param', $edit);
+  $attributes = array('id' => 'comment-form');
+  if (is_array($extra)) {
+    $attributes = array_merge($extra, $attributes);
+  }
+  
+  return theme('box', $title, form($form, 'post', url('comment/reply/'. $edit['nid']), $attributes));
 }
 
 function theme_comment_preview($comment, $links = '', $visible = 1) {
@@ -1448,6 +1462,7 @@
   // Switch to folded/unfolded view of the comment
   if ($visible) {
     $comment->comment = check_output($comment->comment, $comment->format);
+    $comment->comment .= implode('', module_invoke_all('comment', 'view', $comment));
     $output .= theme('comment', $comment, $links);
   }
   else {
@@ -1675,4 +1690,4 @@
     db_query("UPDATE {node_comment_statistics} SET comment_count = %d, last_comment_timestamp = %d, last_comment_name = '%s', last_comment_uid = %d WHERE nid = %d", 0, NULL, 0, 0, $nid);
   }
 }
-?>
+?>
\ No newline at end of file