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="20090314112025" timestamp="2009-03-14T11:20:25Z" ns="0" title="Thomas Uldman" />
        <page value="20090314131133" timestamp="2009-03-14T13:11:33Z" ns="0" title="Paul Richter" />
        <page value="20090314175400" timestamp="2009-03-14T17:54:00Z" ns="0" title="Freddy Oldham" />
        <page value="20090316175709" timestamp="2009-03-16T17:57:09Z" ns="0" title="Tibor Ragorti" />
        <page value="20090317071544" timestamp="2009-03-17T07:15:44Z" ns="0" title="Ayrton Cobos" />
        <page value="20090317140700" timestamp="2009-03-17T14:07:00Z" ns="0" title="Bertil Rasmussen" />
        <page value="20090317151426" timestamp="2009-03-17T15:14:26Z" ns="0" title="Remmelshafen" />
        <page value="20090320091808" timestamp="2009-03-20T09:18:08Z" ns="0" title="Lajos Szogy" />
        <page value="20090320162448" timestamp="2009-03-20T16:24:48Z" ns="0" title="Carola Fängvik" />
        <page value="20090320164228" timestamp="2009-03-20T16:42:28Z" ns="0" title="Anton Fängvik Sandquist" />
      </results>
    </querypage>
  </query>
</api>