1<a> 2 <xi:include href="../ents/something.xml" xmlns:xi="http://www.w3.org/2001/XInclude"> 3 <xi:fallback> 4 <xi:include href="c.xml"> 5 <xi:fallback>There is no c.xml ... </xi:fallback> 6 </xi:include> 7 </xi:fallback> 8 </xi:include> 9</a> 10