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="20061008004207" timestamp="2006-10-08T00:42:07Z" ns="0" title="HTML print part of page" />
        <page value="20061008010159" timestamp="2006-10-08T01:01:59Z" ns="0" title="MPEG-2 Codecs for interActual Player" />
        <page value="20061008010442" timestamp="2006-10-08T01:04:42Z" ns="0" title="SDL Development in Windows with MinGw" />
        <page value="20061008011532" timestamp="2006-10-08T01:15:32Z" ns="0" title="CVS Client in Windows" />
        <page value="20061201042107" timestamp="2006-12-01T04:21:07Z" ns="0" title="JsRdfEditor Todo" />
        <page value="20070223034517" timestamp="2007-02-23T03:45:17Z" ns="0" title="FamilySite Thoughts" />
        <page value="20070618135908" timestamp="2007-06-18T13:59:08Z" ns="0" title="Bash Scripting FAQ" />
        <page value="20070630045245" timestamp="2007-06-30T04:52:45Z" ns="0" title="Main Page" />
        <page value="20071030185951" timestamp="2007-10-30T18:59:51Z" ns="0" title="SQL Matrix" />
        <page value="20080107044950" timestamp="2008-01-07T04:49:50Z" ns="0" title="Perl Module Process" />
      </results>
    </querypage>
  </query>
</api>