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="20041106221639" timestamp="2004-11-06T22:16:39Z" ns="0" title="BESM System" />
        <page value="20041107000209" timestamp="2004-11-07T00:02:09Z" ns="0" title="DM Ganymede" />
        <page value="20041108053237" timestamp="2004-11-08T05:32:37Z" ns="0" title="Ardonite&#039;s Ranch" />
        <page value="20041108062750" timestamp="2004-11-08T06:27:50Z" ns="0" title="Halloween &#039;04" />
        <page value="20041109055127" timestamp="2004-11-09T05:51:27Z" ns="0" title="When Boom Came to Visit" />
        <page value="20041110011314" timestamp="2004-11-10T01:13:14Z" ns="0" title="NTH Inle" />
        <page value="20041112160204" timestamp="2004-11-12T16:02:04Z" ns="0" title="NTH Elly" />
        <page value="20041112175058" timestamp="2004-11-12T17:50:58Z" ns="0" title="Hub Xellia" />
        <page value="20041115215007" timestamp="2004-11-15T21:50:07Z" ns="0" title="NatureWalk Kai" />
        <page value="20041119014315" timestamp="2004-11-19T01:43:15Z" ns="0" title="UtterChaos Aurora" />
      </results>
    </querypage>
  </query>
</api>