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="20060125094455" timestamp="2006-01-25T09:44:55Z" ns="0" title="Body load" />
        <page value="20060220205532" timestamp="2006-02-20T20:55:32Z" ns="0" title="Ken Kesey" />
        <page value="20060224213843" timestamp="2006-02-24T21:38:43Z" ns="0" title="Kary Mullis" />
        <page value="20060617182153" timestamp="2006-06-17T18:21:53Z" ns="0" title="Native American Church" />
        <page value="20070318185231" timestamp="2007-03-18T18:52:31Z" ns="0" title="Jonathan Ott" />
        <page value="20070401163635" timestamp="2007-04-01T16:36:35Z" ns="0" title="Richard Schultes" />
        <page value="20070413154111" timestamp="2007-04-13T15:41:11Z" ns="0" title="Ipomoea muelleri" />
        <page value="20070415092306" timestamp="2007-04-15T09:23:06Z" ns="0" title="2C-C" />
        <page value="20070415092841" timestamp="2007-04-15T09:28:41Z" ns="0" title="2C-E" />
        <page value="20070418005134" timestamp="2007-04-18T00:51:34Z" ns="0" title="DOB" />
      </results>
    </querypage>
  </query>
</api>