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="47" ns="6" title="File:USA.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2010-08-20T23:33:59Z" user="Paul somebody" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>