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="20070314131608" timestamp="2007-03-14T13:16:08Z" ns="0" title="Rdk" />
        <page value="20070314131632" timestamp="2007-03-14T13:16:32Z" ns="0" title="Bobby Krupczak" />
        <page value="20070314131647" timestamp="2007-03-14T13:16:47Z" ns="0" title="Robert Krupczak" />
        <page value="20070315201859" timestamp="2007-03-15T20:18:59Z" ns="0" title="Krupczak Origin" />
        <page value="20070321050938" timestamp="2007-03-21T05:09:38Z" ns="0" title="NISC" />
        <page value="20070409165055" timestamp="2007-04-09T16:50:55Z" ns="0" title="Wagon Train 2006" />
        <page value="20070409165433" timestamp="2007-04-09T16:54:33Z" ns="0" title="Wagon train" />
        <page value="20070410141522" timestamp="2007-04-10T14:15:22Z" ns="0" title="&quot;here&quot;" />
        <page value="20070418124044" timestamp="2007-04-18T12:40:44Z" ns="0" title="Chios" />
        <page value="20070614200556" timestamp="2007-06-14T20:05:56Z" ns="0" title="Katie Summer 2007" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>