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="20090616074820" timestamp="2009-06-16T07:48:20Z" ns="0" title="NOTES" />
        <page value="20090617074529" timestamp="2009-06-17T07:45:29Z" ns="0" title="Default" />
        <page value="20090617075740" timestamp="2009-06-17T07:57:40Z" ns="0" title="Some pages from my old version of my website" />
        <page value="20090617080700" timestamp="2009-06-17T08:07:00Z" ns="0" title="How-To create KML Overlays for Google MapMaker/ GoogleEarth" />
        <page value="20100112201626" timestamp="2010-01-12T20:16:26Z" ns="0" title="How-To enhance Chrome with plugin - Chrome Stylist" />
        <page value="20100116164458" timestamp="2010-01-16T16:44:58Z" ns="0" title="Test" />
        <page value="20100919080649" timestamp="2010-09-19T08:06:49Z" ns="0" title="Links" />
        <page value="20101007054137" timestamp="2010-10-07T05:41:37Z" ns="0" title="How-To enhance Firefox with plugins" />
        <page value="20101120043638" timestamp="2010-11-20T04:36:38Z" ns="0" title="Adb" />
        <page value="20101220113901" timestamp="2010-12-20T11:39:01Z" ns="0" title="Linux commands" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>