Module:If preview/configuration/doc

This is the documentation page for Module:If preview/configuration

This Lua module is used in system messages, and on approximately 313,000 pages, or roughly 9525% of all pages.
Changes to it can cause immediate changes to the Wikipedia user interface.
To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Please discuss changes on the talk page before implementing them.