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="Carl 010.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="363" ns="6" title="File:AdfCopy.jpg" />
      <page pageid="653" ns="6" title="File:BRYCE.JPG" />
      <page pageid="483" ns="6" title="File:Backdoor.jpg" />
      <page pageid="977" ns="6" title="File:BarGraph.JPG" />
      <page pageid="682" ns="6" title="File:Carl 003.jpg" />
      <page pageid="684" ns="6" title="File:Carl 004.jpg" />
      <page pageid="683" ns="6" title="File:Carl 005.jpg" />
      <page pageid="685" ns="6" title="File:Carl 006.jpg" />
      <page pageid="686" ns="6" title="File:Carl 007.jpg" />
      <page pageid="687" ns="6" title="File:Carl 009.jpg" />
    </pages>
  </query>
</api>