Module:If empty/doc

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

This module depends on the following other modules:

Module:Arguments (sandbox)

This Lua module is used in system messages, and on approximately 4,040,000 pages, or roughly 6% 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.

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