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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>
    <allcategories accontinue="Donate" />
  </query-continue>
  <query>
    <allcategories>
      <c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Block</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">CIS520 Projects</c>
      <c size="16" pages="16" files="0" subcats="0" xml:space="preserve">DONATE</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">DONATE:2012 Spring Project Management</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">DONATE:Home</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">DONATE 2012 Spring Project Management</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">DONATE Home</c>
      <c size="15" pages="15" files="0" subcats="0" xml:space="preserve">DV Unit CMS</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Developer role</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Documentation software</c>
    </allcategories>
  </query>
</api>