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="20130113030128" timestamp="2013-01-13T03:01:28Z" ns="0" title="DATA.INI" />
        <page value="20130113030416" timestamp="2013-01-13T03:04:16Z" ns="0" title="Hex Editor" />
        <page value="20130113030646" timestamp="2013-01-13T03:06:46Z" ns="0" title="Loading Screens" />
        <page value="20130113030712" timestamp="2013-01-13T03:07:12Z" ns="0" title="GRF" />
        <page value="20130113030859" timestamp="2013-01-13T03:08:59Z" ns="0" title="RGZ" />
        <page value="20130113031633" timestamp="2013-01-13T03:16:33Z" ns="0" title="Mob Once Spawn" />
        <page value="20130113031654" timestamp="2013-01-13T03:16:54Z" ns="0" title="Mob Get Random Id" />
        <page value="20130113031717" timestamp="2013-01-13T03:17:17Z" ns="0" title="MVP" />
        <page value="20130113031756" timestamp="2013-01-13T03:17:56Z" ns="0" title="Status" />
        <page value="20130113031827" timestamp="2013-01-13T03:18:27Z" ns="0" title="Status Heal" />
      </results>
    </querypage>
  </query>
</api>