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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="Nvidia_products" />
  </query-continue>
  <query>
    <allcategories>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">1982年软件</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">1998年成立的公司</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">ARM architecture</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Articles containing video clips</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">AutoCAD</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">CNC/CAD/CAM</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Hawaiian words and phrases</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Human–computer interaction</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Hypertext</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Linux-based devices</c>
    </allcategories>
  </query>
</api>