Index: wp-admin/js/post.js
===================================================================
--- wp-admin/js/post.js	(revision 21733)
+++ wp-admin/js/post.js	(working copy)
@@ -342,7 +342,7 @@
 			return false;
 		});
 
-		$('#' + taxonomy + 'checklist li.popular-category :checkbox, #' + taxonomy + 'checklist-pop :checkbox').live( 'click', function(){
+		$('#' + taxonomy + 'checklist li.popular-category input[type="checkbox"], #' + taxonomy + 'checklist-pop input[type="checkbox"]').live( 'click', function(){
 			var t = $(this), c = t.is(':checked'), id = t.val();
 			if ( id && t.parents('#taxonomy-'+taxonomy).length )
 				$('#in-' + taxonomy + '-' + id + ', #in-popular-' + taxonomy + '-' + id).prop( 'checked', c );
Index: wp-includes/js/wp-lists.js
===================================================================
--- wp-includes/js/wp-lists.js	(revision 21733)
+++ wp-includes/js/wp-lists.js	(working copy)
@@ -397,7 +397,7 @@
 			return list.wpList.add(this);
 		});
 
-		$el.delegate( '[class^="add:' + list.id + ':"]:not(form)', 'click', function(){
+		$el.delegate( 'a[class^="add:' + list.id + ':"], input[class^="add:' + list.id + ':"]', 'click', function(){
 			return list.wpList.add(this);
 		});