chromium/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-6.xml

<?xml-stylesheet href="css3-modsel-6.css" type="text/css"?>
<test>
<address xmlns="http://www.w3.org/1999/xhtml" title="foo">
<span title="b">This line should </span>
  <span title="aa">have a green background.
</span>
</address>
</test>