Index: openacs-4/packages/chat/www/room.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/chat/www/room.tcl,v
diff -u -r1.8.4.3 -r1.8.4.4
--- openacs-4/packages/chat/www/room.tcl	22 Nov 2016 18:34:35 -0000	1.8.4.3
+++ openacs-4/packages/chat/www/room.tcl	23 Nov 2016 13:50:51 -0000	1.8.4.4
@@ -73,7 +73,7 @@
     login_messages_p
     logout_messages_p
 } {
-    set $property [expr {[set $property] eq t?"[_ acs-kernel.common_yes]":"[_ acs-kernel.common_no]"}]
+    set $property [expr {[set $property] eq "t" ? [_ acs-kernel.common_yes] : [_ acs-kernel.common_no] }]
 }
 
 # get db-message count