Now that T348923 has been complete, P305(IETF language tag) is the Property that is used to determine available language codes.
For users to have a more streamlined experience when editing, we would like to automatically lowercase the value from P305.
Acceptance criteria:
- Values from P305 are accepted in Special:NewLexeme regardless of case.
Notes
Previous patch that went to review can be found here: https://github.com/wmde/new-lexeme-special-page/pull/545