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>
    <querypage name="Ancientpages">
      <results>
        <page value="20110504145047" timestamp="2011-05-04T14:50:47Z" ns="0" title="Sport Demos" />
        <page value="20110504150733" timestamp="2011-05-04T15:07:33Z" ns="0" title="3D World Competition Results" />
        <page value="20110504153307" timestamp="2011-05-04T15:33:07Z" ns="0" title="Other Demos" />
        <page value="20110811122347" timestamp="2011-08-11T12:23:47Z" ns="0" title="Dancing Demos" />
        <page value="20111123134442" timestamp="2011-11-23T13:44:42Z" ns="0" title="Fighting Demos" />
        <page value="20111129112525" timestamp="2011-11-29T11:25:25Z" ns="0" title="Post-Processing" />
        <page value="20111209120207" timestamp="2011-12-09T12:02:07Z" ns="0" title="IPi Recorder Installation p2 Kinect" />
        <page value="20111209120644" timestamp="2011-12-09T12:06:44Z" ns="0" title="IPi Studio Installation" />
        <page value="20111209142031" timestamp="2011-12-09T14:20:31Z" ns="0" title="Actor Clothing Kinect" />
        <page value="20111212093022" timestamp="2011-12-12T09:30:22Z" ns="0" title="IPi Recorder Installation p2 Dual Kinect" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>