You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information.
<?xml version="1.0"?>
<api>
  <query>
    <allcategories>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Categories</c>
      <c size="6" pages="6" files="0" subcats="0" xml:space="preserve">Contests</c>
      <c size="6" pages="6" files="0" subcats="0" xml:space="preserve">DJs in the UK</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">DJs in the US</c>
      <c size="101" pages="101" files="0" subcats="0" xml:space="preserve">DJs of RKOL past</c>
      <c size="4" pages="4" files="0" subcats="0" xml:space="preserve">Disco</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Don't Got No Love</c>
      <c size="3" pages="3" files="0" subcats="0" xml:space="preserve">GLBT DJs</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">IHasATractor</c>
      <c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Jewish DJs</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="Listener Pages" />
  </query-continue>
</api>