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="20120821111249" timestamp="2012-08-21T11:12:49Z" ns="0" title="Test" />
        <page value="20130607091302" timestamp="2013-06-07T09:13:02Z" ns="0" title="Bac à sable" />
        <page value="20130610092818" timestamp="2013-06-10T09:28:18Z" ns="0" title="L&#039;enseignement de promotion sociale en communauté française" />
        <page value="20130614105833" timestamp="2013-06-14T10:58:33Z" ns="0" title="Fête du Grand Pardon d&#039;Hermalle-sous-Huy" />
        <page value="20130614110054" timestamp="2013-06-14T11:00:54Z" ns="0" title="Éhein-Bas" />
        <page value="20130920150235" timestamp="2013-09-20T15:02:35Z" ns="0" title="Freddy Terwagne" />
        <page value="20131003065032" timestamp="2013-10-03T06:50:32Z" ns="0" title="Pandora" />
        <page value="20131003070355" timestamp="2013-10-03T07:03:55Z" ns="0" title="Sacré Théâtre" />
        <page value="20131003105352" timestamp="2013-10-03T10:53:52Z" ns="0" title="Iguana Café" />
        <page value="20131004091146" timestamp="2013-10-04T09:11:46Z" ns="0" title="Yoga/Strech" />
      </results>
    </querypage>
  </query>
</api>