Template:Category if exists

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This template uses Lua:

This template outputs a category if the category exists. Otherwise, it returns nothing. It is intended for use in templates.

This template follows category redirects (using {{resolve category redirect}}).

TemplateData

Outputs a link to a category if it exists; otherwise returns nothing.

Template parameters[Edit template data]
This template prefers inline formatting of parameters.
Parameter		Description	Type	Status
Category name	`1`	Category for potential inclusion if it exists. "Category:" prefix is optional. Example Category:Writers	Page name	required
Sort key	`2`	[[WP:SORTKEY]] of the category. Suggested values `*` Example Foo	Line	optional

The above documentation is transcluded from Template:Category if exists/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.