Template:Used in system

This template is used in system messages.
Changes to it can cause immediate changes to the Wikipedia user interface.
To avoid major disruption, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Please discuss changes on the talk page before implementing them.

Template documentation[create] [purge]

Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.