<test xmlns="http://still-unknown.example.org/">
 <script xmlns="http://www.w3.org/1999/xhtml" type="text/javascript">
  /** FAIL **/
  var style = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
  document.documentElement.appendChild(style);
  style.appendChild(document.createTextNode('/** FAIL **/ assertion { color: green; } script, style { display: none; }'));
 </script>
 <assertion>This text should be green.</assertion>
</test>
