Index: misc/ahah.js
===================================================================
RCS file: /cvs/drupal/drupal/misc/Attic/ahah.js,v
retrieving revision 1.7.2.1
diff -u -9 -p -r1.7.2.1 ahah.js
--- misc/ahah.js	11 Feb 2008 14:46:27 -0000	1.7.2.1
+++ misc/ahah.js	23 Nov 2010 22:59:49 -0000
@@ -98,20 +98,20 @@ Drupal.ahah = function(base, element_set
   $(element_settings.element).bind(element_settings.event, function() {
     $(element_settings.element).parents('form').ajaxSubmit(options);
     return false;
   });
   // If necessary, enable keyboard submission so that AHAH behaviors
   // can be triggered through keyboard input as well as e.g. a mousedown
   // action.
   if (element_settings.keypress) {
     $(element_settings.element).keypress(function(event) {
-      // Detect enter key.
-      if (event.keyCode == 13) {
+      // Detect enter key and space bar.
+      if (event.which == 13 || event.which == 32) {
         $(element_settings.element).trigger(element_settings.event);
         return false;
       }
     });
   }
 };
 
 /**
  * Handler for the form redirection submission.