    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Aaron Cohen, Intel
               Version: Mar 31, 2000, v1
                Module: SMIL Timing & Sync Module
               Feature: begin attribute
               Feature: Fill attribute
      Media Components: 2 JPG
     Expected Behavior: first image shown 2s, removed, then second shown 2s
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
      <body>
        <seq>
          <img src="../images/frown.jpg" dur="2s" fill="remove" />
          <img src="../images/smile.jpg" dur="2s" />
        </seq>
      </body>
    </smil>