Index: misc/collapse.js
===================================================================
RCS file: /cvs/drupal/drupal/misc/collapse.js,v
retrieving revision 1.23
diff -u -r1.23 collapse.js
--- misc/collapse.js	27 Apr 2009 20:19:35 -0000	1.23
+++ misc/collapse.js	30 Jul 2009 20:10:14 -0000
@@ -56,7 +56,7 @@
     $('fieldset.collapsible > legend:not(.collapse-processed)', context).each(function () {
       var fieldset = $(this.parentNode);
       // Expand if there are errors inside
-      if ($('input.error, textarea.error, select.error', fieldset).size() > 0) {
+      if ($('input.error, textarea.error, select.error, :target', fieldset).size() > 0) {
         fieldset.removeClass('collapsed');
       }