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Message-ID: <428F7B83.2010105@phekda.gotadsl.co.uk>
Date: Sat, 21 May 2005 19:18:43 +0100
From: Richard Dawe <rich AT phekda DOT gotadsl DOT co DOT uk>
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To: djgpp-workers AT delorie DOT com
Subject: Re: wchar_t implementation and multibyte encoding
References: <200505211222 DOT j4LCMQKW025118 AT speedy DOT ludd DOT ltu DOT se>
In-Reply-To: <200505211222.j4LCMQKW025118@speedy.ludd.ltu.se>
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Reply-To: djgpp-workers AT delorie DOT com

Hello.

ams AT ludd DOT ltu DOT se wrote:
> According to Richard Dawe:
> 
>>You're confusing the codepoint, which is the numbering of characters, 
> 
>                                                ^^^^^^^^^^^^^^^^^^^^^^^^
> 
>>symbols, etc. with how you represent them. The codepoints are abstract.
> 
>   ^^^^^^^^^^^^
> 
> 
>>When you talk about "Unicode encoding", this is UTF-32, a mapping of 
>>0x10ffff to a 32-bit integer. That may not seem like an encoding, but it 
>>is, because of endianness in the encoded data.
> 
> 
> Ok.
> 
> 1. But suppose I decide to use the inverted Unicode codepoints (IUC),
> which I just invented, where 
> "IUC character value" == 0x10ffff - "Unicode chararcter value".
> 
> Now I have a different set of codepoints. To me, IUC and Unicode are
> two different encodings (of characters).

Well the Unicode codepoint is still the same. A value in your IUC is an 
encoding of the codepoint, not a codepoint.

> 2. I which way _isn't_ Unicode a "numbering of characters, symbols,
> etc"?

Unicode is a numbering of characters, symbols, etc.

I think I misunderstand your question.

Bye, Rich =]

-- 
Richard Dawe [ http://homepages.nildram.co.uk/~phekda/richdawe/ ]

"You can't evaluate a man by logic alone."
   -- McCoy, "I, Mudd", Star Trek