    <!--
                Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Geoff Freed, WGBH/NCAM
               Version: March 13, 2001, v2
                Module: Content Control Module
               Feature: systemLanguage test attribute
             File Name: systemLanguage.smil
      Media Components: 1 JPG, 2 WAV
     Expected Behavior: Show image;
                        play English or German audio, as selected by the user.
                        If no language, or an unavailable language,
                          is selected by the user, play default English audio.
    -->
    <smil xmlns="http://www.w3.org/2001/SMIL20/Language">
        <body>
             <par>
                <img src="../images/duborsub.jpg"/>
                <switch>
                   <audio src="../sounds/germandub.wav" systemLanguage="de"/>
                   <audio src="../sounds/english.wav"/>
                 </switch>
             </par>
       </body>
    </smil>