Template:Category link if exists 2/doc

This is a simple helper template, to be used in other templates. It displays a link to a category if that category exists; otherwise it just displays plaintext in grey, to reduce the visual prominence of the unlinked text.

Optional display text may be added as a second parameter.

Purpose
This template is a variant of LinkCatIfExists, which does no greying.

The greying was designed to improve the clarity of category header templates such as EstcatContinentCentury on pages such as Category:11th-century establishments in Asia.

Usage

 * Simple usage:
 * Examples:


 * With optional display text:
 * Examples: