Editing Help/Categories (section)

== Summary == <!--T:3-->

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Each of the pages in the '''Category''' [[<tvar name=ns>Special:MyLanguage/Help:Namespaces</tvar>|namespace]] represents a so-called '''category''', a grouping of related pages, and contains an index for the pages of its category. For example, this page belongs to "<tvar name=cat></tvar>". If you open the category page, you will see a link to this page there.

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When a page belongs to one or more categories, these categories appear at the bottom of the page (or in the upper-right corner, depending on the [[<tvar name=1>Special:MyLanguage/Help:Preferences</tvar>|skin]] being used).

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The category pages themselves contain 2 parts:

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* at their beginning, an optional part may contain text that can be edited, like any other page,
* at their end, an ever present, automatically generated, alphabetical list of all pages in that category, in the form of links. In fact, in the Unicode sort order.

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To assign a category to a page, simply add the link "<nowiki>[[</nowiki>Category:''Category name'']]" to the page's wikitext. The usual place to add it is at the bottom of the page.

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To link a category page within a page as a normal wiki link (without adding the page to the category), prefix the link name with a colon.  For example: 

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A new category can be [[<tvar name=1>Special:MyLanguage/Help:Starting a new page</tvar>|created]] before assigning any page to it, in the same way as any other regular page.

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Individual wikis may have their own top-level categories, such as [[w:Category:Contents|Category:Contents]] on Wikipedia.

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For a complete list of all categories which have at least one page, see <tvar name=1>[[Special:Categories]]</tvar>.

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For a complete list of all created/edited categories, including the ones that don't have any pages, see <tvar name=1>[[Special:Allpages/Category:]]</tvar> (note the colon at the end).