Re: Armenian (was: Re: ISO 639-3 changes, part 3)

Doug replied:
> 
> >> Yes, I was wrong to say that 639-5 codes are not usable.  However,
> >> they are certainly not advisable.
> >
> > Strong agreement. (I think it were better had collection IDs never
> > been permitted.)
> 
> I suspect that back in the LTRU days, we weren't comfortable with deprecating
> the collection subtags that had already made it in via 639-2, nor with
> grandfathering those few while ignoring the new ones added in 639-5.
> 

Exactly so. There was quite a discussion around it and how to recommend (non-)usage of the subtags.

Point #4 in Section 4.1 (Choice of Language Tag) is about this. 

Addison