Please add the language code ISO 639-3: uln to the list of language codes supported for monolingual text values. uln is the language code for (Unserdeutsch), a German-based creole language spoken primarily in Papua New Guinea.

I recently started adding Unserdeutsch lexemes to Wikidata and would appreciate it if the proper language code was supported. Currently I am using as a work around, as suggested here, a private-use subtag, containing the QID for the Wikidata item for the language, with the mis base code (mis-x-Q13244).

Usage example: ya