Index: openacs-4/packages/chat/www/chat-transcript.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/chat-transcript.tcl,v
diff -u -r1.3 -r1.3.4.1
--- openacs-4/packages/chat/www/chat-transcript.tcl	9 Nov 2008 23:29:23 -0000	1.3
+++ openacs-4/packages/chat/www/chat-transcript.tcl	20 Jun 2016 08:40:23 -0000	1.3.4.1
@@ -1,8 +1,8 @@
 ad_page_contract {
     mostra mensagens do chat arquivadas
 } {
-   room_id:integer
-   {transcript_id:integer,optional 0}
+   room_id:naturalnum,notnull
+   {transcript_id:naturalnum,optional 0}
 } 
 
 set page_title "[_ chat.Transcript]"   
@@ -13,7 +13,7 @@
 set write_p [permission::permission_p -object_id $room_id -privilege "chat_write"]
 set ban_p   [permission::permission_p -object_id $room_id -privilege "chat_ban"]
 
-if { ($read_p == "0" && $write_p == "0") || ($ban_p == "1") } {
+if { ($read_p == 0 && $write_p == 0) || ($ban_p == 1) } {
     #Display unauthorize privilege page.
     ad_returnredirect unauthorized
     ad_script_abort