From: Peter Constable (petercon@microsoft.com)
Date: Thu Aug 25 2005 - 07:18:48 CDT
> From: Philippe Verdy [mailto:verdy_p@wanadoo.fr]
> But as these codes are still assigned in ISO 639-2, ISO-639-3 should
> reserve
> them.
> This can be done by mapping them with a new "B" Scope id.
Absolutely not. Scope refers not to the domain of applicability but
rather to the broadness of language varieties encompassed.
What might be possible would be to list these IDs with some particular
status assigned. But I would not include names in the entries for a data
table for part 3, as they are not formally defined in part 3.
> I also note that the file contains no entries for other reserved
codes:
> * Scope=R (Reserved),
Again, a completely inappropriate use of Scope. Also, I don't see why
the data file should include entries for identifiers that has all of
their properties defined in the standard itself.
> On the opposite, I see that the ISO 639-3 database keeps entries for
> special
> codes (which seems in opposition with the ISO 639-3 policy of not
encoding
> collective languages, i.e. Scope="C" used for language families):
> * Scope=S, for example [mul] and [und] in ISO 639-2 and ISO 639-3;
Here, a special value for Scope would be appropriate. (Thanks for
bringing this to my attention.)
> What is the ISO 639-3 policy regarding the
> stability of these preexisting bibliographic, reserved and special
codes
> (that are also used in informative Unicode database files, and in the
> CLDR)?
ISO 639-3 treats them as stable. Of course, it has nothing to say about
the use of any identifier in particular applications, such as CLDR.
Peter Constable
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