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="20130406052535" timestamp="2013-04-06T05:25:35Z" ns="0" title="Point Linux 13.02 Release Notes" />
        <page value="20130406052655" timestamp="2013-04-06T05:26:55Z" ns="0" title="Enable Autologin" />
        <page value="20130406052720" timestamp="2013-04-06T05:27:20Z" ns="0" title="Install Non-free Applications" />
        <page value="20130406052742" timestamp="2013-04-06T05:27:42Z" ns="0" title="Choose The Fastest Apt Mirror" />
        <page value="20130609060358" timestamp="2013-06-09T06:03:58Z" ns="0" title="Point Linux 13.04 Release Notes" />
        <page value="20130610070927" timestamp="2013-06-10T07:09:27Z" ns="0" title="Point Linux 13.04.1 Release Notes" />
        <page value="20130901164237" timestamp="2013-09-01T16:42:37Z" ns="0" title="Localization" />
        <page value="20130929043839" timestamp="2013-09-29T04:38:39Z" ns="0" title="Point Linux 2.2 Release Notes" />
        <page value="20131109140921" timestamp="2013-11-09T14:09:21Z" ns="0" title="Main Page" />
        <page value="20131110093842" timestamp="2013-11-10T09:38:42Z" ns="0" title="Open folder as root" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>