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="20140825142504" timestamp="2014-08-25T14:25:04Z" ns="0" title="Krucifiks i Veksø Kirke" />
        <page value="20140825142517" timestamp="2014-08-25T14:25:17Z" ns="0" title="Ledøje Kirke - plan og snit" />
        <page value="20140825144455" timestamp="2014-08-25T14:44:55Z" ns="0" title="Ledøje Kirke - restaureringen" />
        <page value="20140825144538" timestamp="2014-08-25T14:45:38Z" ns="0" title="Slagslunde Kirke" />
        <page value="20140825144652" timestamp="2014-08-25T14:46:52Z" ns="0" title="Stenløse Madonna" />
        <page value="20140825144814" timestamp="2014-08-25T14:48:14Z" ns="0" title="Veksøstagen" />
        <page value="20140825145457" timestamp="2014-08-25T14:54:57Z" ns="0" title="Prædikestolen i Slagslunde Kirke" />
        <page value="20140828144155" timestamp="2014-08-28T14:41:55Z" ns="0" title="Stenløse Mølle" />
        <page value="20140828144526" timestamp="2014-08-28T14:45:26Z" ns="0" title="Veksø Mølle" />
        <page value="20140828145500" timestamp="2014-08-28T14:55:00Z" ns="0" title="Øvre Værebro Mølle" />
      </results>
    </querypage>
  </query>
</api>