Mark Davis scripsit:
> b) even if that were the case, we could have
>
> Script: Hans, Hant
I think we'd have to go with this style (though perhaps without
the commas) if we wanted to impose ordering.
> >=2 means: as far as we know, the language tag is customarily used with
> >all of these scripts, and no others.
Unfortunately, this interpretation breaks down because of Braille.
There are hundreds of languages that can be written in Braille script,
not one of which is written solely in that script. So to specify Braille
alone would be misleading, to specify Braille and other scripts would
be as hard as Suppress-Script, and to omit Braille would be to say that
it should not be used with (otherwise) multiscript languages.
> Stability. Our guarantee is that the language tags themselves are stable,
> not the precise format of the registry. And by stable, that doesn't mean
> unchanging, either. We can add valid language tags, and we can broaden
> the semantics of existing language tags.
+1, except to note that existing language tags can be narrowed as
well, provided they are not narrowed too much. If it is learned
that Upper and Lower Slobbovian are really separate languages, not
just divergent dialects of Slobbovian, we might expect ISO 639-3/RA
to create a macrolanguage; but if it turns out that a few isolated
villages in the little-known North Central district of Gibberistan
speak something distinct enough from Gibberish to warrant being called
a separate language, there will probably simply be a new code for it,
and the code for Gibberish will be left alone.
--
John Cowan cowan at ccil.org http://ccil.org/~cowan
The known is finite, the unknown infinite; intellectually we stand
on an islet in the midst of an illimitable ocean of inexplicability.
Our business in every generation is to reclaim a little more land,
to add something to the extent and the solidity of our possessions.
--Thomas Henry Huxley
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