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="Interdictor Cruiser.gif" />
  </query-continue>
  <query>
    <pages>
      <page pageid="57" ns="6" title="File:BattleShip.gif" />
      <page pageid="81" ns="6" title="File:CargoTran.gif" />
      <page pageid="46" ns="6" title="File:Colonial Transport.gif" />
      <page pageid="83" ns="6" title="File:Constellation.gif" />
      <page pageid="59" ns="6" title="File:Corporate FlagShip.gif" />
      <page pageid="138" ns="6" title="File:Ferrengi Assault Trader.gif" />
      <page pageid="140" ns="6" title="File:Ferrengi BattleCruiser.gif" />
      <page pageid="142" ns="6" title="File:Ferrengi Dreadnaught.gif" />
      <page pageid="79" ns="6" title="File:Havoc Gunstar.gif" />
      <page pageid="72" ns="6" title="File:Imperial StarShip.gif" />
    </pages>
  </query>
</api>