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="20050428204410" timestamp="2005-04-28T20:44:10Z" ns="0" title="SSH ohne Passwortabfrage" />
        <page value="20050508102541" timestamp="2005-05-08T10:25:41Z" ns="0" title="KDM - Anmeldungsbildschirm ändern" />
        <page value="20050509095619" timestamp="2005-05-09T09:56:19Z" ns="0" title="Firefox styling" />
        <page value="20050524170219" timestamp="2005-05-24T17:02:19Z" ns="0" title="SuSE Watcher Error" />
        <page value="20050526105740" timestamp="2005-05-26T10:57:40Z" ns="0" title="Finder Erweiterungen" />
        <page value="20050527120839" timestamp="2005-05-27T12:08:39Z" ns="0" title="Dateidatum ändern" />
        <page value="20050602094723" timestamp="2005-06-02T09:47:23Z" ns="0" title="Zeichensatz konvertieren" />
        <page value="20050704114744" timestamp="2005-07-04T11:47:44Z" ns="0" title="ITunes Erweiterung" />
        <page value="20050711161313" timestamp="2005-07-11T16:13:13Z" ns="0" title="Safari Erweiterungen" />
        <page value="20050724112926" timestamp="2005-07-24T11:29:26Z" ns="0" title="Grub reparieren" />
      </results>
    </querypage>
  </query>
</api>