Script codes in RFC 3066, 4 issues

[John Cowan]

Peter_Constable at sil.org scripsit:

> > There are compatibility issues with this both ISO 639 codes and Ethnologue
> > codes are growing; a "shortest" code may change over time, which makes my
> > use of a code now legal, tomorrow illegal. (E.g., a new ISO 639 code
> > subsumes an Ethnologue code.)
> 
> could you provide a hypothetical example to illustrate what the concern
> here is?

Presumably the case that cpf-hat becomes no longer shortest for Haitian
Creole French, because ISO assigns it either hcf alone, or both hcf and hc.

BTW, is anyone involved in 639-3 talk prepared to open the kimono about what
solutions to code conflicts have been proposed, if any?

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