Index: modules/search/search.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/search/search.module,v
retrieving revision 1.303
diff -u -p -r1.303 search.module
--- modules/search/search.module	23 Jul 2009 20:58:26 -0000	1.303
+++ modules/search/search.module	11 Aug 2009 03:27:20 -0000
@@ -1106,6 +1106,9 @@ function search_box(&$form_state, $form_
     '#default_value' => '',
     '#attributes' => array('title' => t('Enter the terms you wish to search for.')),
   );
+  if ($form_id == 'search_theme_form') {
+    $form[$form_id]['#prefix'] = '<h2 class="element-invisible">' . t('Search') . '</h2>';
+  }
   $form['submit'] = array('#type' => 'submit', '#value' => t('Search'));
   $form['#submit'][] = 'search_box_form_submit';