<its:rules version="2.0" xmlns:its="http://www.w3.org/2005/11/its"
  xmlns:html="http://www.w3.org/1999/xhtml">
  <its:externalResourceRefRule selector="//html:video/@src"
    externalResourceRefPointer="."/>
  <its:externalResourceRefRule selector="//html:video/@poster"
    externalResourceRefPointer="."/>
</its:rules>
<!-- timestamp $Id: EX-externalresource-2.xml,v 1.1 2013-10-27 15:18:28 fsasaki Exp $ -->