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="20121016211555" timestamp="2012-10-16T21:15:55Z" ns="0" title="Database" />
        <page value="20121016211625" timestamp="2012-10-16T21:16:25Z" ns="0" title="Ensemble Video Wiki" />
        <page value="20121016213559" timestamp="2012-10-16T21:35:59Z" ns="0" title="Template Configuration" />
        <page value="20121016213636" timestamp="2012-10-16T21:36:36Z" ns="0" title="Template Configuration Example" />
        <page value="20121016213730" timestamp="2012-10-16T21:37:30Z" ns="0" title="Test" />
        <page value="20121016213747" timestamp="2012-10-16T21:37:47Z" ns="0" title="Test HTML plugin - embed code" />
        <page value="20121017164538" timestamp="2012-10-17T16:45:38Z" ns="0" title="Using HTTP for Streaming and Downloading on Windows Server 2008" />
        <page value="20121017164641" timestamp="2012-10-17T16:46:41Z" ns="0" title="Watch Directory Filters for Media Types" />
        <page value="20121017171623" timestamp="2012-10-17T17:16:23Z" ns="0" title="Example of embedding a video" />
        <page value="20121017171806" timestamp="2012-10-17T17:18:06Z" ns="0" title="Installing on Windows 2008 R2 x64 Server" />
      </results>
    </querypage>
  </query>
</api>