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HTML is good for debugging, but is unsuitable for application use.
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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="Full-Maude-3.2.1.zip" />
  </query-continue>
  <query>
    <pages>
      <page pageid="99" ns="6" title="File:20-years.pdf" />
      <page pageid="101" ns="6" title="File:BMgrt 2003.pdf" />
      <page pageid="73" ns="6" title="File:Book-cover-117.jpg" />
      <page pageid="31" ns="6" title="File:Buddy22.tar.gz" />
      <page pageid="104" ns="6" title="File:CDELMMQspecprog 2001.pdf" />
      <page pageid="105" ns="6" title="File:CRChC.pdf" />
      <page pageid="107" ns="6" title="File:DurĂ¡n.Mesegue.Rocha.Ground Confluence of Order-sorted Conditional Specifications Modulo Axioms.TR.pdf" />
      <page pageid="53" ns="6" title="File:Full-Maude-2.7.1.zip" />
      <page pageid="84" ns="6" title="File:Full-Maude-3.0.zip" />
      <page pageid="94" ns="6" title="File:Full-Maude-3.1.zip" />
    </pages>
  </query>
</api>