=== modified file 'includes/form.inc'
--- includes/form.inc	2009-11-04 05:39:14 +0000
+++ includes/form.inc	2009-11-05 06:23:45 +0000
@@ -310,6 +310,7 @@ function drupal_rebuild_form($form_id, &
   // data to pollute this one and trigger validate/submit handling,
   // then process the form for rendering.
   $form_state['input'] = array();
+  $form_state['values'] = array();
 
   // Also clear out all group associations as these might be different
   // when rerendering the form.