MediaWiki:Babel-autocreate-text-levels
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Template:Category User iso-n is for use only on category pages whose title is of the form "Category:User iso-n", where "iso" is an ISO 639-1 or ISO 639-2 language code such as fr or nav and "n" is the digits 1-5 or N indicating the level of proficiency at that language per Wikipedia:Babel.