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 -r1.4 -r1.5
--- openacs-4/packages/chat/www/chat-transcript.tcl	17 Jun 2016 17:27:51 -0000	1.4
+++ openacs-4/packages/chat/www/chat-transcript.tcl	20 Jun 2016 08:37:04 -0000	1.5
@@ -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]"