text: <?xml version="1.0"?>
  <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
  <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <label style="text-transform: uppercase" value="uppercase"/>
  <label style="text-transform: lowercase" value="LOWERCASE"/>
  </window>
  