Index: lams_tool_chat/web/WEB-INF/tiles-defs.xml
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_chat/web/WEB-INF/tiles-defs.xml,v
diff -u -r1.2 -r1.2.2.1
--- lams_tool_chat/web/WEB-INF/tiles-defs.xml	17 Jan 2014 21:36:40 -0000	1.2
+++ lams_tool_chat/web/WEB-INF/tiles-defs.xml	29 Aug 2014 13:06:44 -0000	1.2.2.1
@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
+
+<!DOCTYPE tiles-definitions PUBLIC
+        "-//Apache Software Foundation//DTD Tiles Configuration 1.3//EN"
+        "http://struts.apache.org/dtds/tiles-config_1_4.dtd">
 <!--
 	Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
 	License Information: http://lamsfoundation.org/licensing/lams/2.0/