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="0" pages="0" files="0" subcats="0" xml:space="preserve">/allegiance command</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">/command</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">/help command</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">13 Day Timer</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">20 Day Timer</c>
      <c size="12" pages="12" files="0" subcats="0" xml:space="preserve">20 Hour Timer</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">27 Day Timer</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">28 days</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">2 Day 20 Hour Timer</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">53</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="6 Day Timer" />
  </query-continue>
</api>