chromium/src/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-50.xml

<?xml-stylesheet href="css3-modsel-50.css" type="text/css"?>
<test>
<div xmlns="http://www.w3.org/1999/xhtml" class="stub">
<q xmlns="http://www.example.org/a" test="1">
  <r>This text should be in green characters</r>
</q>
<s xmlns="http://www.example.org/a">This text should be in green characters</s>
</div>
</test>