Luc Pardon lucp at
Fri Jan 6 21:45:33 CET 2017

> When people pick a language from a menu, internally they are picking a locale (en-GB, es-419, etc). If you want an application to support Spanglish or Hinglish, then you have to have a locale to represent that.

> We have had concrete requests from product groups within Google for
> hybrid locale identifiers, and not just one or two of them. This is not
> a whim.

  That sounds like a perfect candidate for the -x- (private use) subtag
(BCP 47 2.2.7) to me.


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