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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query>
    <allcategories>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Base</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Writer</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Для переводчиков</c>
      <c size="6" pages="5" files="0" subcats="1" xml:space="preserve">Макросы</c>
      <c size="3" pages="3" files="0" subcats="0" xml:space="preserve">Макросы Calc</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Макросы для Writer</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Нуждается в дополнении</c>
      <c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Программирование</c>
      <c size="3" pages="3" files="0" subcats="0" xml:space="preserve">Редакторам</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Справочник функций</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="Страницы, нуждающиеся в дополнении" />
  </query-continue>
</api>