To be put in the documentation for high-use templates.
This template is used on many pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.
To be put in the documentation for templates that are used in the Wikipedia user interface.
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.
Before making any changes to the template, please first try your changes in the /sandbox and compare them on the /testcases page. The tested changes can then be added in one single edit to this template.
This Wikipedia page employs intricate features of template syntax.
You are encouraged to familiarise yourself with its setup and parser functions before editing the template. If your edit causes unexpected problems, please undo it quickly, as this template may appear on a large number of pages.
You can conduct experiments, and should test all major changes, in either this template's sandbox, the general template sandbox, or your user space before changing anything here.
Allows a test version of a template to be seen by users that have "test-mode" enabled. All other users see the normal public version of the template being tested.
If you are going to edit this template, please note that it is currently using {{test-mode}} for some advanced testing.
Wikipedia:Template index/Template namespace is currently protected from editing. To edit the template documentation or categorize the template, edit Wikipedia:Template index/Template namespace/doc. To request a change to the template itself, add {{edit protected}} to this page, followed by a description of your request.