Index: openacs-4/packages/acs-admin/www/users/delete-user.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/users/delete-user.tcl,v
diff -u -r1.1 -r1.1.8.1
--- openacs-4/packages/acs-admin/www/users/delete-user.tcl	23 Dec 2008 08:31:46 -0000	1.1
+++ openacs-4/packages/acs-admin/www/users/delete-user.tcl	5 Aug 2014 10:08:56 -0000	1.1.8.1
@@ -5,7 +5,7 @@
 
     @cvs-id $Id$
 } {
-  user_id:integer
+  user_id:naturalnum,notnull
   {return_url .}
   {permanent:boolean f}
 }