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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="48" ns="6" title="Datei:Bild 1.png" />
      <page pageid="52" ns="6" title="Datei:Bureaudetudes.png" />
      <page pageid="51" ns="6" title="Datei:GuyDebord.png" />
      <page pageid="50" ns="6" title="Datei:Parsons.jpg" />
    </pages>
  </query>
</api>