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HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaicontinue="Verslag_5e_DISC_meeting_7dec2012.pdf" />
  </query-continue>
  <query>
    <pages>
      <page pageid="41" ns="6" title="File:Training-Education-Figure-1.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-11-21T11:54:07Z" user="Rob Hooft" />
        </imageinfo>
      </page>
      <page pageid="137" ns="6" title="File:TranSMART API.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-03-17T17:17:41Z" user="Ward Weistra" />
        </imageinfo>
      </page>
      <page pageid="229" ns="6" title="File:Using ontologies to encode &quot;knowledge&quot;.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2015-11-23T11:04:07Z" user="Luiz Olavo Bonino" />
        </imageinfo>
      </page>
      <page pageid="26" ns="6" title="File:Verslag 4e DISC meeting 19okt2012.pdf" imagerepository="local">
        <imageinfo>
          <ii timestamp="2012-11-15T21:10:23Z" user="Femke Francissen" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>