Date:	Fri, 29 Aug 2003 13:36:36 +0200
From:	"Eli Zaretskii" <eliz AT elta DOT co DOT il>
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To:	Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
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CC:	djgpp AT delorie DOT com
In-reply-to:	<3F4E90EF.33122DA4@phekda.freeserve.co.uk> (message from Richard
	Dawe on Fri, 29 Aug 2003 00:31:59 +0100)
Subject:	Re: wide character functions
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> From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
> Newsgroups: comp.os.msdos.djgpp
> Date: Fri, 29 Aug 2003 00:31:59 +0100
> 
> By "non-ASCII" do you mean 8-bit characters?

No, I mean anything beyond 7-bit ASCII.

> There are wide equivalents of is* - isw*.
> 
> (I'm sure you know this already. I'm just a little unclear as to what you mean
> above.)

Wide characters is one representation of non-ASCII characters.
Another representation, which should also be supported by the library,
is the multibyte representation, whereby every characters is
represented as a series of 8-bit bytes.  (Many libraries choose UTF-8
as their multibyte representation.)  The is* macros should support the
multibyte representation in a manner equivalent to what the isw*
macros do with the wide characters.  That is, if you pass a wide
representation of a character CH to iswprint and the multibyte
representation of the same character to isprint, you should get ther
same result (I think).

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