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="20141112191441" timestamp="2014-11-12T19:14:41Z" ns="0" title="Everton F.C." />
        <page value="20141112225845" timestamp="2014-11-12T22:58:45Z" ns="0" title="Chelsea F.C." />
        <page value="20141112232848" timestamp="2014-11-12T23:28:48Z" ns="0" title="Hull City A.F.C." />
        <page value="20141113171855" timestamp="2014-11-13T17:18:55Z" ns="0" title="Leicester City F.C." />
        <page value="20141114124248" timestamp="2014-11-14T12:42:48Z" ns="0" title="Liverpool F.C." />
        <page value="20141118004844" timestamp="2014-11-18T00:48:44Z" ns="0" title="Manchester City F.C." />
        <page value="20141118114101" timestamp="2014-11-18T11:41:01Z" ns="0" title="Manchester United F.C." />
        <page value="20141125153140" timestamp="2014-11-25T15:31:40Z" ns="0" title="Burnley F.C." />
        <page value="20141127105604" timestamp="2014-11-27T10:56:04Z" ns="0" title="Aston Villa F.C." />
        <page value="20141127105815" timestamp="2014-11-27T10:58:15Z" ns="0" title="Crystal Palace F.C." />
      </results>
    </querypage>
  </query>
</api>