17. The data processing system of claim 16 , wherein said resulting composite values list of valid locales and languages combinations is used at least for one of the following processes: adjustment of a user interface; and presenting a list of language and locale combination options for selection to a user.
17. The data processing system of claim 16 , wherein said resulting composite values list of valid locales and languages combinations is used at least for one of the following processes: adjustment of a user interface; and presenting a list of language and locale combination options for selection to a user. 19. The data processing system of claim 17 , wherein said presenting process of said list of at least one language and locale combination option is performed during at least one of the following processes: changing user preferred locale and language settings, and creating a new user account and setting at least one user preferred locale and at least one user preferred language.