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-continue>
    <allimages gaifrom="Advance-loan.pdf" />
  </query-continue>
  <query>
    <pages>
      <page pageid="119" ns="6" title="File:12345.JPG" />
      <page pageid="614" ns="6" title="File:Aames-home-loan.pdf" />
      <page pageid="543" ns="6" title="File:Abbey-national-loans.pdf" />
      <page pageid="1070" ns="6" title="File:About-home-loans.pdf" />
      <page pageid="954" ns="6" title="File:Acai berry 3630.jpg" />
      <page pageid="960" ns="6" title="File:Acai berry Scams 2141.jpg" />
      <page pageid="1155" ns="6" title="File:Acne treatments 1331.jpg" />
      <page pageid="399" ns="6" title="File:Acorn-home-loans.pdf" />
      <page pageid="507" ns="6" title="File:Acs-and-loans.pdf" />
      <page pageid="1003" ns="6" title="File:Acs-college-loans.pdf" />
    </pages>
  </query>
</api>