XmlReader and invalid RelaxNG Validation <?xml version="1.0"?>
<books xmlns:dc="http://purl.org/dc/elements/1.1/">
  <book id="1" isbn="3-8266-0612-4">
    <titel>Apache Web-Server</titel>
    <year>2000</year>
      <dc:subject>Webserver</dc:subject>
  </book>
  <book id="2" isbn="3-8266-0550-0">
    <title>Linux f&#xFC;r Internet und Intranet</title>
    <year>2000</year>
      <dc:subject>operating Systems</dc:subject>
  </book>
  
</books>