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="Duck Tales Moon.ftm" />
  </query-continue>
  <query>
    <pages>
      <page pageid="237" ns="6" title="File:2a03fc large.jpg" />
      <page pageid="117" ns="6" title="File:AD&amp;D, Pool of Radiance Track 05.ftm" />
      <page pageid="181" ns="6" title="File:Adventure Island 3 - Boss.ftm" />
      <page pageid="180" ns="6" title="File:Adventure Island 3 - Invincibility.ftm" />
      <page pageid="212" ns="6" title="File:Akumajou-3.ftm" />
      <page pageid="106" ns="6" title="File:Arpeggio example.ftm" />
      <page pageid="211" ns="6" title="File:Asterix-9.ftm" />
      <page pageid="118" ns="6" title="File:Batman Track 1.ftm" />
      <page pageid="177" ns="6" title="File:Bubble Bobble 2 - Final Boss.ftm" />
      <page pageid="119" ns="6" title="File:Captain Tsubasa Vol.2 Track 4.ftm" />
    </pages>
  </query>
</api>