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="Kontakte" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Background: Information Freedom Rules" missing="" />
      <page ns="0" title="Conference" missing="" />
      <page ns="0" title="DV Camcorder Revolution" missing="" />
      <page ns="0" title="Dispo Termine Druck, Presse" missing="" />
      <page ns="0" title="Free Software as Education" missing="" />
      <page ns="0" title="Free Software in Education" missing="" />
      <page ns="0" title="Free tools for activism and collaboration" missing="" />
      <page ns="0" title="IdentityCommons" missing="" />
      <page ns="0" title="India" missing="" />
      <page ns="0" title="Keynotes" missing="" />
    </pages>
  </query>
</api>