Index: openacs-4/packages/chat/www/room-enter.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/room-enter.tcl,v
diff -u -r1.7 -r1.7.6.1
--- openacs-4/packages/chat/www/room-enter.tcl	19 Nov 2007 01:14:16 -0000	1.7
+++ openacs-4/packages/chat/www/room-enter.tcl	20 Jun 2016 08:40:23 -0000	1.7.6.1
@@ -7,7 +7,7 @@
     @creation-date November 22, 2000
     @cvs-id $Id$
 } {
-    room_id:integer,notnull
+    room_id:naturalnum,notnull
     client:trim
 } 
 
@@ -19,7 +19,7 @@
 ns_log notice "--query ban $ban_p: permission::permission_p -object_id $room_id -privilege chat_ban -party_id [ad_conn user_id]"
 set active  [room_active_status $room_id]
 
-if { ($read_p == "0" && $write_p == "0") || ($ban_p == "1") || ($active == "f") } {
+if { ($read_p == 0 && $write_p == 0) || ($ban_p == 1) || ($active == "f") } {
     #Display unauthorize privilege page.
     ad_returnredirect unauthorized
     ad_script_abort