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="20130103035419" timestamp="2013-01-03T03:54:19Z" ns="0" title="Wish List" />
        <page value="20130221191546" timestamp="2013-02-21T19:15:46Z" ns="0" title="Boulder" />
        <page value="20130221191644" timestamp="2013-02-21T19:16:44Z" ns="0" title="Golem" />
        <page value="20130221191747" timestamp="2013-02-21T19:17:47Z" ns="0" title="Limba &amp; Limby" />
        <page value="20130221191844" timestamp="2013-02-21T19:18:44Z" ns="0" title="Snappy &amp; Nibbles" />
        <page value="20130221214733" timestamp="2013-02-21T21:47:33Z" ns="0" title="Golem Button" />
        <page value="20130221214843" timestamp="2013-02-21T21:48:43Z" ns="0" title="Golem Yellow Switch" />
        <page value="20131120025043" timestamp="2013-11-20T02:50:43Z" ns="0" title="Weekly Levels" />
        <page value="20140320181013" timestamp="2014-03-20T18:10:13Z" ns="0" title="Download the Game" />
        <page value="20140322072804" timestamp="2014-03-22T07:28:04Z" ns="0" title="Barrier" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>