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="Automobile insurance 5299.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1452" ns="6" title="File:12345.JPG" />
      <page pageid="1496" ns="6" title="File:Auto Insurance 1638.jpg" />
      <page pageid="1492" ns="6" title="File:Auto Insurance 1849.jpg" />
      <page pageid="1494" ns="6" title="File:Auto Insurance 3914.jpg" />
      <page pageid="1477" ns="6" title="File:Auto insurance 2555.jpg" />
      <page pageid="1489" ns="6" title="File:Auto insurance 2947.jpg" />
      <page pageid="1468" ns="6" title="File:Auto insurance 5588.jpg" />
      <page pageid="1475" ns="6" title="File:Auto insurance 5613.jpg" />
      <page pageid="1557" ns="6" title="File:Automobile Insurance 5037.jpg" />
      <page pageid="1471" ns="6" title="File:Automobile insurance 2864.jpg" />
    </pages>
  </query>
</api>