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="20051230181333" timestamp="2005-12-30T18:13:33Z" ns="0" title="Technicon Data Systems" />
        <page value="20060417203650" timestamp="2006-04-17T20:36:50Z" ns="0" title="Startup" />
        <page value="20060417203710" timestamp="2006-04-17T20:37:10Z" ns="0" title="Transition" />
        <page value="20060417203731" timestamp="2006-04-17T20:37:31Z" ns="0" title="Production" />
        <page value="20060417214229" timestamp="2006-04-17T21:42:29Z" ns="0" title="Assistant Secretary for Planning &amp; Evaluation" />
        <page value="20060417214325" timestamp="2006-04-17T21:43:25Z" ns="0" title="Council on the Application of Health Information Technology (CAHIT)" />
        <page value="20060417214342" timestamp="2006-04-17T21:43:42Z" ns="0" title="Agency for Healthcare Research and Quality (AHRQ)" />
        <page value="20060417214529" timestamp="2006-04-17T21:45:29Z" ns="0" title="Combined U.S. Department of Defense / Veterans Affairs Initiatives" />
        <page value="20060417214607" timestamp="2006-04-17T21:46:07Z" ns="0" title="U.S. Department of Homeland Security" />
        <page value="20060417231807" timestamp="2006-04-17T23:18:07Z" ns="0" title="Funding Resources" />
      </results>
    </querypage>
  </query>
</api>