Index: openacs-4/packages/dotlrn/www/admin/user-new-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/admin/user-new-2.tcl,v
diff -u -N -r1.36 -r1.36.4.1
--- openacs-4/packages/dotlrn/www/admin/user-new-2.tcl	1 Nov 2013 21:08:34 -0000	1.36
+++ openacs-4/packages/dotlrn/www/admin/user-new-2.tcl	6 Sep 2015 09:42:49 -0000	1.36.4.1
@@ -21,7 +21,7 @@
     @creation-date 2001-11-04
     @version $Id$
 } -query {
-    user_id
+    user_id:naturalnum
     {referer "[dotlrn::get_admin_url]/users" }
 }