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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="2013_initial_public_offerings" />
  </query-continue>
  <query>
    <allcategories>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">%s</c>
      <c size="20" pages="20" files="0" subcats="0" xml:space="preserve">10 Days War</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1776 establishments in the United States</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">1838 establishments in Texas</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1867 establishments in Canada</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1946 establishments in Texas</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1964 establishments in the Netherlands</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">1966 establishments in Norway</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1976 births</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">1 Infinite Loop</c>
    </allcategories>
  </query>
</api>