You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20121217224637" timestamp="2012-12-17T22:46:37Z" ns="0" title="General Lighting Concepts" />
        <page value="20121217224803" timestamp="2012-12-17T22:48:03Z" ns="0" title="Common Tasks" />
        <page value="20130224174028" timestamp="2013-02-24T17:40:28Z" ns="0" title="DMX Universe" />
        <page value="20130224174241" timestamp="2013-02-24T17:42:41Z" ns="0" title="DMX Channel" />
        <page value="20130224174457" timestamp="2013-02-24T17:44:57Z" ns="0" title="Fixture Dialog" />
        <page value="20130224190520" timestamp="2013-02-24T19:05:20Z" ns="0" title="Profile Node System" />
        <page value="20130227051252" timestamp="2013-02-27T05:12:52Z" ns="0" title="Groups Panel" />
        <page value="20130227065455" timestamp="2013-02-27T06:54:55Z" ns="0" title="Show List Panel" />
        <page value="20130227065636" timestamp="2013-02-27T06:56:36Z" ns="0" title="Panels" />
        <page value="20130227070728" timestamp="2013-02-27T07:07:28Z" ns="0" title="Show Controls Panel" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>