chromium/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-16.xml

<?xml-stylesheet href="css3-modsel-16.css" type="text/css"?>
<test>
<p xmlns="http://www.w3.org/1999/xhtml" class="test">
<a href="http://unvisited.example.org/css3-modsel-16/">This link should have green background.</a>
(Don&#39;t follow this link.)
</p>
</test>