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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-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20130809044329" timestamp="2013-08-09T04:43:29Z" ns="0" title="Panel discussion in ICT Meetup 2013" />
        <page value="20130809044744" timestamp="2013-08-09T04:47:44Z" ns="0" title="Mozilla Nepal First Anniversary" />
        <page value="20131109072914" timestamp="2013-11-09T07:29:14Z" ns="0" title="First webmaker hack at birgunj" />
        <page value="20131109084354" timestamp="2013-11-09T08:43:54Z" ns="0" title="Firefox Student Ambassadors" />
        <page value="20131109084937" timestamp="2013-11-09T08:49:37Z" ns="0" title="How to be a contributor" />
        <page value="20131109090050" timestamp="2013-11-09T09:00:50Z" ns="0" title="About Community" />
        <page value="20131109091415" timestamp="2013-11-09T09:14:15Z" ns="0" title="Contacting Us" />
        <page value="20131112053927" timestamp="2013-11-12T05:39:27Z" ns="0" title="WebMaker" />
        <page value="20131116043823" timestamp="2013-11-16T04:38:23Z" ns="0" title="Localization" />
        <page value="20131117102753" timestamp="2013-11-17T10:27:53Z" ns="0" title="Mozilla Meetup III" />
      </results>
    </querypage>
  </query>
</api>