Module:If empty/doc

This is a documentation subpage for Module:If empty.
It contains usage information, categories and other content that is not part of the original Module page.

This module is subject to page protection. It is a highly visible module in use by a very large number of pages. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing.

Uses Lua:

Module:Arguments

This module is used in system messages.
Changes to it can cause immediate changes to the MediaWiki user interface. To avoid large-scale disruption, any changes should first be tested in this module's /sandbox or /testcases subpage, or in your own user space.The tested changes can then be added in one single edit to this module. Please discuss any changes on the talk page before implementing them.

This module supports Template:If empty. See here for test cases.