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="2006-01-30 15:51:05+00" timestamp="2006-01-30T15:51:05Z" ns="0" title="FeM-Office" />
        <page value="2006-02-01 12:16:12+00" timestamp="2006-02-01T12:16:12Z" ns="0" title="Windows Media Services 9 - Netzwerk, Firewalls und so weiter" />
        <page value="2006-02-01 12:24:11+00" timestamp="2006-02-01T12:24:11Z" ns="0" title="Windows Media Services 9 - Logging" />
        <page value="2006-02-07 13:16:25+00" timestamp="2006-02-07T13:16:25Z" ns="0" title="Current events" />
        <page value="2006-02-08 14:55:56+00" timestamp="2006-02-08T14:55:56Z" ns="0" title="Automatisches Capturen auf Dwa" />
        <page value="2006-02-08 15:17:30+00" timestamp="2006-02-08T15:17:30Z" ns="0" title="Technik-Barebones" />
        <page value="2006-02-08 15:27:07+00" timestamp="2006-02-08T15:27:07Z" ns="0" title="Entwurf für Projektvertrag" />
        <page value="2006-02-08 15:28:37+00" timestamp="2006-02-08T15:28:37Z" ns="0" title="Einwahl in das VPN" />
        <page value="2006-02-08 15:30:28+00" timestamp="2006-02-08T15:30:28Z" ns="0" title="Streaming VPN Einwahl gescriptet" />
        <page value="2006-02-08 15:41:28+00" timestamp="2006-02-08T15:41:28Z" ns="0" title="Storage" />
      </results>
    </querypage>
  </query>
</api>