    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Kenichi Kubota, Panasonic
               Version: Mar. 11, 2000, v1.2
                Module: SMIL Timing & Sync Module
               Feature: end attribute
             File Name: end-10sync-clock.smil
      Media Components: 2 JPG
     Expected Behavior: 1st image shown between [0s, 5s]
                        2nd image shown between [0s, 3s]
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
       <body>
          <par>
             <img id="image1" src="../images/frown.jpg" dur="5s" />
             <img src="../images/smile.jpg" end="id(image1)(3s)"/>
          </par>
       </body>
    </smil>