[Ltru] Fwd: [apps-discuss] Defining a CBOR tag for RFC 5646 Language Tags

Hi,

<oops - retrying with the correct LTRU WG address this time, I hope...>

Forwarding this note to the LTRU list for language tag experts to review.
Please copy your reply to IETF Apps Discuss list (see below).

Cheers,
- Ira McDonald

---------- Forwarded message ----------
From: Carsten Bormann <cabo@tzi.org>
Date: Sun, May 11, 2014 at 6:48 PM
Subject: [apps-discuss] Defining a CBOR tag for RFC 5646 Language Tags
To: IETF Apps Discuss <apps-discuss@ietf.org>
Cc: Peter Occil <poccil14@gmail.com>

If you care about language tags, I hope the subject got your
attention.  If you don't, please ignore this request for assistance.

Concise Binary Object Representation (CBOR, RFC 7049) is a binary
format for structured objects.  CBOR has a number of pre-defined data
types and allows additional data types to be registered as "tags".
Among the pre-defined data types is a text string (Unicode characters,
encoded in UTF-8).  No facility is pre-defined for associating a
Language Tag with such a string.

A new CBOR tag is being proposed for combining a CBOR text string with
a Language Tag.  The (single-page) proposal is in:

http://peteroupc.github.io/CBOR/langtags.html

The proposal is almost trivially obvious (pair a language tag with an
UTF-8 string in a two-element array) and looks right to me.  But I'm
not an expert in Language Tags, and silly mistakes are being made by
non-experts all the time.

If you are an expert in Language Tags:
-- Is anything missing or could anything be done in a better way?
-- Or does this really simply look right?

Responses to me privately or to the list are appreciated.

Grüße, Carsten

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