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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="20120503125738" timestamp="2012-05-03T12:57:38Z" ns="0" title="Main Page" />
        <page value="20130327121923" timestamp="2013-03-27T12:19:23Z" ns="0" title="Les Halia&#039;Hetan" />
        <page value="20131205180032" timestamp="2013-12-05T18:00:32Z" ns="0" title="Albannakh" />
        <page value="20140113121516" timestamp="2014-01-13T12:15:16Z" ns="0" title="Loriale" />
        <page value="20140123121345" timestamp="2014-01-23T12:13:45Z" ns="0" title="Lemdern" />
        <page value="20140327035937" timestamp="2014-03-27T03:59:37Z" ns="0" title="Première expédition à Aroche" />
        <page value="20140719065142" timestamp="2014-07-19T06:51:42Z" ns="0" title="Soldats du Temple" />
        <page value="20140725104844" timestamp="2014-07-25T10:48:44Z" ns="0" title="Haut-Royaume" />
        <page value="20140725205119" timestamp="2014-07-25T20:51:19Z" ns="0" title="Melenire" />
        <page value="20140902142203" timestamp="2014-09-02T14:22:03Z" ns="0" title="Croyances de Herle" />
      </results>
    </querypage>
  </query>
</api>