Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.335
diff -u -p -r1.335 menu.inc
--- includes/menu.inc	19 Aug 2009 23:29:13 -0000	1.335
+++ includes/menu.inc	21 Aug 2009 14:42:40 -0000
@@ -1249,7 +1249,7 @@ function theme_menu_item_link($link) {
     $link['localized_options'] = array();
   }
 
-  return l($link['title'], $link['href'], $link['localized_options']);
+  return l($link['title'] . (!empty($link['active']) ? ' (Active task)' : ''), $link['href'], $link['localized_options']);
 }
 
 /**
@@ -1497,7 +1497,7 @@ function menu_local_tasks($level = 0, $r
           if ($item['type'] == MENU_DEFAULT_LOCAL_TASK) {
             // Find the first parent which is not a default local task.
             for ($p = $item['tab_parent']; $tasks[$p]['type'] == MENU_DEFAULT_LOCAL_TASK; $p = $tasks[$p]['tab_parent']);
-            $link = theme('menu_item_link', array('href' => $tasks[$p]['href']) + $item);
+            $link = theme('menu_item_link', array('href' => $tasks[$p]['href'], 'active' => TRUE) + $item);
             $tabs_current .= theme('menu_local_task', $link, TRUE);
             $next_path = $item['path'];
           }