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 alcontinue="FüMO_Preisverleihung_2010" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Das Buch-Projekt" />
      <l ns="0" title="Das FüMO-Team" />
      <l ns="0" title="Förderverein" />
      <l ns="0" title="FüMO-Tag 2008" />
      <l ns="0" title="FüMO-Tag 2009" />
      <l ns="0" title="FüMO-Tag 2010" />
      <l ns="0" title="FüMO - Das Buch" />
      <l ns="0" title="FüMO Preisverleihung 2007" />
      <l ns="0" title="FüMO Preisverleihung 2008" />
      <l ns="0" title="FüMO Preisverleihung 2009" />
    </alllinks>
  </query>
</api>