chromium/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-8.xml

<?xml-stylesheet href="css3-modsel-8.css" type="text/css"?>
<test>
<p xmlns="http://www.w3.org/1999/xhtml" lang="en-gb">This paragraph should have green background because its language is &quot;en-gb&quot;</p>
<address xmlns="http://www.w3.org/1999/xhtml" lang="fi">
<span lang="en-us">This address should also</span>
  <span lang="en-fr">have green background because the language of the inner SPANs
     is not French.</span>
</address>
</test>