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="20101126021918" timestamp="2010-11-26T02:19:18Z" ns="0" title="Ancestors of Yelena Mikhailovna Sorokina" />
        <page value="20101126022153" timestamp="2010-11-26T02:21:53Z" ns="0" title="Bluma" />
        <page value="20101126023616" timestamp="2010-11-26T02:36:16Z" ns="0" title="Letter by Moisha" />
        <page value="20101126230458" timestamp="2010-11-26T23:04:58Z" ns="0" title="Rakhil (Raisa) Smushkevich" />
        <page value="20101126231247" timestamp="2010-11-26T23:12:47Z" ns="0" title="Mary Lanning" />
        <page value="20101127023526" timestamp="2010-11-27T02:35:26Z" ns="0" title="Unknown Female Davis" />
        <page value="20101127025014" timestamp="2010-11-27T02:50:14Z" ns="0" title="Elizabeth Dunn" />
        <page value="20101127025204" timestamp="2010-11-27T02:52:04Z" ns="0" title="Mary Laning" />
        <page value="20101204030742" timestamp="2010-12-04T03:07:42Z" ns="0" title="Smushkevich" />
        <page value="20101204162932" timestamp="2010-12-04T16:29:32Z" ns="0" title="Zeival Smushkevich" />
      </results>
    </querypage>
  </query>
</api>