Index: openacs-4/packages/dotlrn/www/deregister-confirm.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn/www/deregister-confirm.tcl,v
diff -u -r1.5 -r1.5.2.1
--- openacs-4/packages/dotlrn/www/deregister-confirm.tcl	1 Nov 2013 21:08:31 -0000	1.5
+++ openacs-4/packages/dotlrn/www/deregister-confirm.tcl	18 Aug 2014 19:22:02 -0000	1.5.2.1
@@ -21,7 +21,7 @@
     @creation-date 2002-29-08
     @version $Id$ 
 } -query {
-    {user_id:integer,multiple,notnull}
+    {user_id:naturalnum,multiple,notnull}
     {community_id ""}
     {referer ""}
 }