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">&quot;Maps&quot;</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">+</c>
      <c size="112" pages="112" files="0" subcats="0" xml:space="preserve">10&quot; Rifle Battery</c>
      <c size="30" pages="30" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1888</c>
      <c size="24" pages="24" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1888MI</c>
      <c size="64" pages="64" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1888MII</c>
      <c size="16" pages="16" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1895</c>
      <c size="4" pages="4" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1895MI</c>
      <c size="2" pages="2" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1896</c>
      <c size="10" pages="10" files="0" subcats="0" xml:space="preserve">10&quot; Rifle M1900</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="1018 Research Trip" />
  </query-continue>
</api>