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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.
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<?xml version="1.0"?>
<api>
<query>
<allcategories>
<c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Brest Ship yard, France</c>
<c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Cuirassé</c>
<c size="2" pages="2" files="0" subcats="0" xml:space="preserve">French warships</c>
<c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Ак-Шийрак</c>
<c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Алтай</c>
<c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Ат-Баши</c>
<c size="15" pages="15" files="0" subcats="0" xml:space="preserve">Вершины Джунгарии</c>
<c size="3" pages="3" files="0" subcats="0" xml:space="preserve">Восточный Саян</c>
<c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Горные Районы</c>
<c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Горные райны</c>
</allcategories>
</query>
<query-continue>
<allcategories accontinue="Горные_районы" />
</query-continue>
</api>