Index: openacs-4/packages/chat/www/message-delete-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/message-delete-2.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/chat/www/message-delete-2.tcl	19 Nov 2007 01:14:16 -0000	1.7
+++ openacs-4/packages/chat/www/message-delete-2.tcl	20 Jun 2016 08:37:04 -0000	1.8
@@ -6,7 +6,7 @@
     @creation-date January 18, 2001
     @cvs-id $Id$
 } {
-    room_id:integer,notnull
+    room_id:naturalnum,notnull
 }
 
 permission::require_permission -object_id $room_id -privilege chat_room_delete