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="20141112080039" timestamp="2014-11-12T08:00:39Z" ns="0" title="ADB-Tools" />
        <page value="20141112080840" timestamp="2014-11-12T08:08:40Z" ns="0" title="Exchange Problem mit Android 4.2.1" />
        <page value="20141112081233" timestamp="2014-11-12T08:12:33Z" ns="0" title="Chrome App beschleunigen" />
        <page value="20141112081941" timestamp="2014-11-12T08:19:41Z" ns="0" title="Play Music und Swisscom Infinity Abos - 2013" />
        <page value="20141112083746" timestamp="2014-11-12T08:37:46Z" ns="0" title="Aktive Gruppenrichtlinien anzeigen/bearbeiten" />
        <page value="20141112084008" timestamp="2014-11-12T08:40:08Z" ns="0" title="Auflösung zu niedrig bei einer Windows 8.1 App" />
        <page value="20141112084034" timestamp="2014-11-12T08:40:34Z" ns="0" title="Clockworkmod MD5 mismatch" />
        <page value="20141112084314" timestamp="2014-11-12T08:43:14Z" ns="0" title="Autostart Registry Einträge" />
        <page value="20141112141145" timestamp="2014-11-12T14:11:45Z" ns="0" title="Excel: Formeln automatisch aktualisieren (Office 2007/2010)" />
        <page value="20141112141457" timestamp="2014-11-12T14:14:57Z" ns="0" title="Windows Dienst per CMD-Befehl löschen" />
      </results>
    </querypage>
  </query>
</api>