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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-continue>
<allcategories accontinue="Статьи" />
</query-continue>
<query>
<allcategories>
<c size="3" pages="3" files="0" subcats="0" xml:space="preserve">Артефакты</c>
<c size="150" pages="150" files="0" subcats="0" xml:space="preserve">Все</c>
<c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Все статьи</c>
<c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Магия Вуду</c>
<c size="0" pages="0" files="0" subcats="0" xml:space="preserve">Наследие</c>
<c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Новости</c>
<c size="11" pages="11" files="0" subcats="0" xml:space="preserve">Предание</c>
<c size="45" pages="45" files="0" subcats="0" xml:space="preserve">Публикации</c>
<c size="29" pages="29" files="0" subcats="0" xml:space="preserve">Руническая Магия</c>
<c size="93" pages="93" files="0" subcats="0" xml:space="preserve">Сефиротическая Магия</c>
</allcategories>
</query>
</api>