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="Donut OCAD.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="299" ns="6" title="File:Algroysample.jpg" />
      <page pageid="189" ns="6" title="File:Brown map ocad.jpg" />
      <page pageid="207" ns="6" title="File:Circular.jpg" />
      <page pageid="96" ns="6" title="File:Compareroute.jpg" />
      <page pageid="199" ns="6" title="File:Corridor orienteering OCAD.jpg" />
      <page pageid="240" ns="6" title="File:Corridor orienteering alternative OCAD.jpg" />
      <page pageid="205" ns="6" title="File:Corrill.jpg" />
      <page pageid="339" ns="6" title="File:CropDialog.png" />
      <page pageid="340" ns="6" title="File:CropMask.png" />
      <page pageid="341" ns="6" title="File:CropSelectedSymbols.png" />
    </pages>
  </query>
</api>