<!-- ====================================================================== --><!-- SMIL Structure Module  =============================================== --><!-- file: SMIL-struct.mod     This is SMIL 2.1.        Copyright: 1998-2001,2005 W3C (MIT, ERCIM, Keio), All Rights        Reserved.  See http://www.w3.org/Consortium/Legal/.        Author: Warner ten Kate, Jacco van Ossenbruggen        Editor for SMIL 2.1: Sjoerd Mullender, CWI        $Revision: 1.3 $     This DTD module is identified by the PUBLIC and SYSTEM identifiers:     PUBLIC "-//W3C//ELEMENTS SMIL 2.1 Document Structure//EN"     SYSTEM "http://www.w3.org/2005/SMIL21/WD/SMIL-struct.mod"     ===================================================================== --><!-- ================== SMIL Document Root =============================== --><!ENTITY % SMIL.smil.attrib  "" ><!ENTITY % SMIL.smil.content "EMPTY" ><!ENTITY % SMIL.smil.qname   "smil" ><!ELEMENT %SMIL.smil.qname; %SMIL.smil.content;><!ATTLIST %SMIL.smil.qname; %SMIL.smil.attrib;        %Core.attrib;        %I18n.attrib;        xmlns %URI.datatype; #REQUIRED ><!-- ================== The Document Head ================================ --><!ENTITY % SMIL.head.content "EMPTY" ><!ENTITY % SMIL.head.attrib  "" ><!ENTITY % SMIL.head.qname   "head" ><!ELEMENT %SMIL.head.qname; %SMIL.head.content;><!ATTLIST %SMIL.head.qname; %SMIL.head.attrib;        %Core.attrib;        %I18n.attrib;><!--=================== The Document Body - Timing Root ================== --><!ENTITY % SMIL.body.content "EMPTY" ><!ENTITY % SMIL.body.attrib  "" ><!ENTITY % SMIL.body.qname   "body" ><!ELEMENT %SMIL.body.qname; %SMIL.body.content;><!ATTLIST %SMIL.body.qname; %SMIL.body.attrib;        %Core.attrib;        %I18n.attrib;><!-- end of SMIL-struct.mod -->