Correct Latin locale code

[adunning]

Correcting my error in #186.

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[rmzelle]

Thanks! (our automatic tests are set up in such a way that we have to make explicit exceptions for locale codes without a region)

[adunning]

Thank you for catching it! It's doubly embarrassing because I had made a proposal to the IETF a couple of years ago to create Latin variant tags corresponding to the private-use la-x-classic and la-x-liturgic tags that TeX Hyphenation uses. They felt in the event that regional codes were good enough – I've tended to use la for classical Latin; la-VA for ecclesiastical Latin (if there is such a thing); la-EU for neo-Latin; la-GB for Anglo-Latin; la-FR for Gallo-Latin; etc. But there aren't many occasions on which one needs these.

[rmzelle]

Ah, well, in that case I agree with you :). Most of us are not exactly well-versed in the arcane knowledge of locale codes.