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="20131011133702" timestamp="2013-10-11T13:37:02Z" ns="0" title="Hilfe bei Problemen" />
        <page value="20131101093103" timestamp="2013-11-01T09:31:03Z" ns="0" title="Ölkühler" />
        <page value="20140108081826" timestamp="2014-01-08T08:18:26Z" ns="0" title="Grundlagen Motormanagement" />
        <page value="20150116211729" timestamp="2015-01-16T21:17:29Z" ns="0" title="Parts Manual" />
        <page value="20150125111516" timestamp="2015-01-25T11:15:16Z" ns="0" title="Short Shifter" />
        <page value="20150125111920" timestamp="2015-01-25T11:19:20Z" ns="0" title="Ventilstößel" />
        <page value="20150125112215" timestamp="2015-01-25T11:22:15Z" ns="0" title="Verbandskasten" />
        <page value="20150125114800" timestamp="2015-01-25T11:48:00Z" ns="0" title="Verstellbare Nockenwellenräder" />
        <page value="20150125115132" timestamp="2015-01-25T11:51:32Z" ns="0" title="Schwungrad" />
        <page value="20150125115153" timestamp="2015-01-25T11:51:53Z" ns="0" title="Stack resetten" />
      </results>
    </querypage>
  </query>
</api>