<?xml version='1.0'?>
<document xmlns:xi="http://www.w3.org/2001/XInclude">
  <root xmlns:xi="http://www.w3.org/2001/XInclude" xml:base="marshtest.xml">
<x id="foo">
  <x id="bar"/>
</x>
<x id="foo">
  <x id="bar"/>
</x>
<x id="bar"/>
</root>
</document>