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="4" pages="4" files="0" subcats="0" xml:space="preserve">2014</c>
      <c size="5" pages="5" files="0" subcats="0" xml:space="preserve">Devuan Weekly News</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Devuan Weekly News/Volume 000</c>
      <c size="90" pages="0" files="90" subcats="0" xml:space="preserve">Logo</c>
      <c size="1" pages="0" files="1" subcats="0" xml:space="preserve">Pages with broken file links</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Spam</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Troll</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Week 47</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Week 48</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Week 49</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="Week 50" />
  </query-continue>
</api>