<?xml-stylesheet href="css3-modsel-57.css" type="text/css"?>
<test xmlns:a="http://www.example.org/a" xmlns:b="http://www.example.org/b">
 <div xmlns="http://www.w3.org/1999/xhtml" class="stub">
  <q xmlns="http://www.example.org/a" a:title="a paragraph">This a:q element should be unstyled.</q>
  <p title="a paragraph">This paragraph should have a green background.</p>
  <r xmlns="http://www.example.org/b" b:title="a paragraph">This b:r element should have a green background.</r>
 </div>
</test>