Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.346
diff -u -p -r1.346 menu.inc
--- includes/menu.inc	18 Sep 2009 10:54:20 -0000	1.346
+++ includes/menu.inc	22 Sep 2009 00:32:27 -0000
@@ -1337,7 +1337,19 @@ function theme_menu_link(array $element)
  * @ingroup themeable
  */
 function theme_menu_local_task($link, $active = FALSE) {
-  return '<li ' . ($active ? 'class="active" ' : '') . '>' . l($link['title'], $link['href'], $link['localized_options']) . "</li>\n";
+  $link_text = $link['title'];
+
+  if (!empty($link['active'])) {
+    // Add text to indicate active tab for non-visual users.
+    $active = '<span class="element-invisible">' . t('(active tab)') . '</span>';
+    if (empty($link['localized_options']['html'])) {
+      $link['title'] = check_plain($link['title']);
+    }
+    $link['localized_options']['html'] = TRUE;
+    $link_text = t('!local-task-title!active', array('!local-task-title' => $link['title'], '!active' => $active));
+  }
+
+  return '<li ' . ($active ? 'class="active" ' : '') . '>' . l($link_text, $link['href'], $link['localized_options']) . "</li>\n";
 }
 
 /**
@@ -1559,6 +1571,7 @@ function menu_local_tasks($level = 0) {
             for ($p = $item['tab_parent']; $tasks[$p]['type'] == MENU_DEFAULT_LOCAL_TASK; $p = $tasks[$p]['tab_parent']);
             // Use the path of the parent instead.
             $link['href'] = $tasks[$p]['href'];
+            $link['active'] = TRUE;
             $tabs_current .= theme('menu_local_task', $link, TRUE);
             $next_path = $item['path'];
             $tab_count++;
@@ -1605,6 +1618,7 @@ function menu_local_tasks($level = 0) {
             for ($p = $item['tab_parent']; $tasks[$p]['type'] == MENU_DEFAULT_LOCAL_TASK; $p = $tasks[$p]['tab_parent']);
             // Use the path of the parent instead.
             $link['href'] = $tasks[$p]['href'];
+            $link['active'] = TRUE;
             if ($item['path'] == $router_item['path']) {
               $root_path = $tasks[$p]['path'];
             }