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-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20060926013608" timestamp="2006-09-26T01:36:08Z" ns="0" title="Wii Clouds" />
        <page value="20070204142310" timestamp="2007-02-04T14:23:10Z" ns="0" title="Youtube Gold" />
        <page value="20070204144651" timestamp="2007-02-04T14:46:51Z" ns="0" title="GBA Tools and Software" />
        <page value="20070204145420" timestamp="2007-02-04T14:54:20Z" ns="0" title="Wii hope you enjoy this!" />
        <page value="20070207140653" timestamp="2007-02-07T14:06:53Z" ns="0" title="Hitto" />
        <page value="20070213100024" timestamp="2007-02-13T10:00:24Z" ns="0" title="Neo Team" />
        <page value="20070214200834" timestamp="2007-02-14T20:08:34Z" ns="0" title="0626 - Gyakuten Saiban 2 (J)" />
        <page value="20070228055427" timestamp="2007-02-28T05:54:27Z" ns="0" title="Ediblebird" />
        <page value="20070228093442" timestamp="2007-02-28T09:34:42Z" ns="0" title="Alx" />
        <page value="20070228164331" timestamp="2007-02-28T16:43:31Z" ns="0" title="RefiX" />
      </results>
    </querypage>
  </query>
</api>