Index: openacs-4/packages/acs-subsite/www/permissions/perm-user-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/permissions/perm-user-add-2.tcl,v
diff -u -r1.2.22.1 -r1.2.22.2
--- openacs-4/packages/acs-subsite/www/permissions/perm-user-add-2.tcl	6 Sep 2013 16:01:47 -0000	1.2.22.1
+++ openacs-4/packages/acs-subsite/www/permissions/perm-user-add-2.tcl	5 Aug 2014 09:49:26 -0000	1.2.22.2
@@ -1,6 +1,6 @@
 ad_page_contract {} {
-    object_id
-    user_id:multiple,integer
+    object_id:naturalnum,notnull
+    user_id:multiple,naturalnum
     return_url
 }