You are looking at the HTML representation of the XML format.
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.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaicontinue="Cure3dprintwarp_whatwouldhappen.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="68" ns="6" title="File:Cure3dprintwarp addridge.png" />
      <page pageid="63" ns="6" title="File:Cure3dprintwarp brim photo.jpg" />
      <page pageid="73" ns="6" title="File:Cure3dprintwarp brimcutoff.jpg" />
      <page pageid="64" ns="6" title="File:Cure3dprintwarp curabrim.png" />
      <page pageid="71" ns="6" title="File:Cure3dprintwarp example photo.jpg" />
      <page pageid="70" ns="6" title="File:Cure3dprintwarp example photo top.jpg" />
      <page pageid="69" ns="6" title="File:Cure3dprintwarp finalmodel.png" />
      <page pageid="72" ns="6" title="File:Cure3dprintwarp finalwithruler.jpg" />
      <page pageid="60" ns="6" title="File:Cure3dprintwarp problem.jpg" />
      <page pageid="62" ns="6" title="File:Cure3dprintwarp problem2.jpg" />
    </pages>
  </query>
</api>