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="2" pages="0" files="0" subcats="2" xml:space="preserve">2009 год</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Fixme:ПозКарта</c>
      <c size="5" pages="4" files="0" subcats="1" xml:space="preserve">FragoriaWiki</c>
      <c size="4" pages="4" files="0" subcats="0" xml:space="preserve">NPC</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">PVP</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">PVP:ПВП игры</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">PvP игры</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Август 2010</c>
      <c size="27" pages="27" files="0" subcats="0" xml:space="preserve">Активные умения</c>
      <c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Активные умения умения</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="Активный умения" />
  </query-continue>
</api>