You are looking at the HTML representation of the XML format.
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="147" ns="6" title="File:LabPanorama.jpg" touched="2009-06-23T14:56:44Z" lastrevid="697" counter="2212" length="0" new="" />
    </pages>
  </query>
</api>