Re: revised "generic syntax" internet draft

Keld J|rn Simonsen (keld@dkuug.dk)
Sat, 26 Apr 1997 23:47:55 +0200


Message-Id: <199704262147.XAA13249@dkuug.dk>
From: keld@dkuug.dk (Keld J|rn Simonsen)
Date: Sat, 26 Apr 1997 23:47:55 +0200
In-Reply-To: "Martin J. Duerst" <mduerst@ifi.unizh.ch>
To: "Martin J. Duerst" <mduerst@ifi.unizh.ch>,
        John C Klensin <klensin@mci.net>
Subject: Re: revised "generic syntax" internet draft
Cc: Edward Cherlin <cherlin@newbie.net>, uri@bunyip.com

"Martin J. Duerst" writes:

> > (iv) It is not hard to demonstrate that, in the medium to 
> > long term, there are some requirements for character set 
> > encoding for which Unicode will not suffice and it will be 
> > necessary to go to multi-plane 10646
> 
> You are not the first or only one to notice this. Unicode
> currently can encode planes 0 to 16 (for a total of about
> one million codepoints) by a mechanism called surrogates
> or UTF-16. Please check your copy of Unicode vol. 2.

Surely we are not talking Unicode, (an industry standard) but ISO 10646?
IETF normally specifies ISO standards when available. 10646 is 32 bits.

Keld