From: Dmitrii Dimandt <dmitriid@...>
Date: 2006-06-17T18:17:05+09:00
Subject: Re: Unicode roadmap?

On 6/16/06, Juergen Strobel <strobel@secure.at> wrote:
> On Fri, Jun 16, 2006 at 03:39:00AM +0900, Austin Ziegler wrote:
> > On 6/15/06, Juergen Strobel <strobel@secure.at> wrote:
> > [ snip essentially accurate information ]
> >
> > >UTF-8 encodes every Unicode code point as a variable length sequence
> > >of 1 to 4 (I think) bytes.
> >
> > It could be up to six bytes at one point. However, I think that there
> > is still support for surrogate characters meaning that a single glyph
> > *might* take as many as eight bytes to represent in the 1-4 byte
> > representation. Even with that, though, those are rare and usually
> > user-defined (private) ranges IIRC. This also doesn't deal with
> > (de)composed glyphs/combining glyphs.
>
> No. According to wikipedia, it is upt to 4 bytes for plain UTF8 for
> all characters. Only Java may need more than that because of their use
> of UTF16 surrogates and special \0 handling in an intermediary step. See
>
> http://en.wikipedia.org/wiki/UTF-8
>
> >
> > >Currently Unicode requires 21 bit, but this has changed in the past.
> >
> > Yes. Unicode went from 16-bit (I think) to 32-bit to 21-bit.

Well, there is the official http://unicode.org/ site no one has
mentioned so far.

There's all sorts of technical information on Unicode.
http://www.unicode.org/reports/index.html

Including the latest version: http://www.unicode.org/versions/Unicode4.1.0/