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="10f2.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="244" ns="6" title="File:100 Icon.jpg" />
      <page pageid="240" ns="6" title="File:100 brianbobarnold.jpg" />
      <page pageid="258" ns="6" title="File:101 sbs1.jpg" />
      <page pageid="266" ns="6" title="File:101 sbs1.png" />
      <page pageid="259" ns="6" title="File:101 sbs2.jpg" />
      <page pageid="374" ns="6" title="File:107-shs shh.jpg" />
      <page pageid="373" ns="6" title="File:107 durations.jpg" />
      <page pageid="379" ns="6" title="File:108-Fig1.jpg" />
      <page pageid="381" ns="6" title="File:108-Fig2.jpg" />
      <page pageid="2693" ns="6" title="File:10f1.png" />
    </pages>
  </query>
</api>