You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="76" ns="6" title="File:TG-701 GROUND FAULTS RECTIFICATION.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2009-12-03T14:33:11Z" user="Peg ferraro" />
        </imageinfo>
      </page>
      <page pageid="107" ns="6" title="File:The Physics of Armature-Reaction.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2011-07-21T15:42:40Z" user="Cwiki" />
        </imageinfo>
      </page>
      <page pageid="97" ns="6" title="File:Toggle.jpg" imagerepository="local">
        <imageinfo>
          <ii timestamp="2010-08-17T06:41:19Z" user="Slettvoll" />
        </imageinfo>
      </page>
      <page pageid="62" ns="6" title="File:XAxisPLC.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2009-09-21T12:34:47Z" user="Cwiki" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>