Module:Language/data/ISO 639 override/doc

This is a documentation subpage for Module:Language/data/ISO 639 override.
It may contain usage information, categories and other content that is not part of the original module page.

This Lua module is used on approximately 20,000 pages and changes may be widely noticed. Test changes in the module's /sandbox or /testcases subpages, or in your own module sandbox. Consider discussing changes on the talk page before implementing them.