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>
    <alllinks galcontinue="Colt_C10_Modellausstattungen_Deutschland|860" />
  </query-continue>
  <query>
    <pages>
      <page pageid="797" ns="0" title="Mitsubishi Clubs / Communitys" />
      <page pageid="838" ns="0" title="Mitsubishi Colt" />
      <page pageid="859" ns="0" title="Colt C10" />
      <page pageid="860" ns="0" title="Colt C10 Modellausstattungen" />
      <page pageid="1192" ns="0" title="Mitsubishi Tarmac Spyder" />
    </pages>
  </query>
</api>