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Re: [Ltru] Re: script tag for IPA



Martin Duerst <duerst at it dot aoyama dot ac dot jp> wrote:

The solution proposed by Martin Hosken seems to make quite a bit
of sense to me. I only see two problems:
- This would need a change to the RFC 4646 ABNF. This is serious.
- Everything related to lanuguage tags is case-insensitive. The
 proposal below contains some case rules; these should (and can
 easily) be dropped.

- There are only 50 private-use code elements in ISO 15924, despite its huge capacity. We cannot "carve out" an area beyond this. Code elements starting with X and Z, for example, are already allocated.

- This adds yet another mechanism that is expected to be of limited use -- if it's not for transliterations or transcriptions, it's probably just for IPA and IPA-like systems. Section 2.2.3 says we should be using variants for something like this.

- The "priority" argument applies only if such a subtag is used with regions and if we assume nobody will use extended matching.

-1.

--
Doug Ewell
Fullerton, California, USA
http://users.adelphia.net/~dewell/
RFC 4645  *  UTN #14


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