<stylesheet version="1.0"
     xmlns="http://www.w3.org/1999/XSL/Transform">
    <template match="/">
<html xml:lang="en-us" xmlns="http://www.w3.org/1999/xhtml">
<body>
<p>Failure (acted on XML processing instructions on result XML!)</p>
</body>
</html>
    </template>
</stylesheet>