Unnamed

echo '<?xml version="1.0" encoding="UTF-8"?>';
echo '<?xml-stylesheet type="text/css" href="http://www.w3.org/MarkUp/style/xhtml2.css"?>';
                    
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 2.0//EN"
    "http://www.w3.org/MarkUp/DTD/xhtml2.dtd">
<html xmlns="http://www.w3.org/2002/06/xhtml2/" xml:lang="en"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.w3.org/2002/06/xhtml2/
                          http://www.w3.org/MarkUp/SCHEMA/xhtml2.xsd">
  <head>
    <title>Virtual Library</title>
  </head>
  <body>
    <p>Moved to <a href="http://example.org/">example.org</a>.</p>
  </body>
</html>