To be put in the documentation for the most high-use (high-risk) templates.
This template is used on a very large number of pages. To avoid large-scale disruption and unnecessary server load, any changes should first be tested in this template's /sandbox or/testcases subpage, or in your own user space. The tested changes can then be added in one single edit to this template. Please consider discussing any changes on the talk page before implementing them.
To be put in the documentation for the slightly less high-use templates.
This template is used on many pages, and changes to it will be widely noticed. Please test any changes in the template's /sandbox or /testcases subpages, or in a user subpage, and consider discussing changes at the talk page before implementing them.