I want to add translations for Colognian (https://translations.launchpad.net/+languages/ksh) in the Ubuntu Launchpad. For this, I have to create an Ubuntu translation team. In order to do this, I have to add it to glibc.git, but:
Choose the name of the locale. The format is language_REGION@modifier, where language is an ISO 639-2 two-letter code (or the three-letter one if the former is not available), ...
for Colognian there is sadly no ISO 639-2 code avaliable, the one you find on Wikipedia (gem) is reserved for Germanic languages.