From: Kevin Ryde <user42@zip.com.au>
Subject: Re: Unicode and Guile
Date: Mon, 03 Nov 2003 07:23:00 +1000 [thread overview]
Message-ID: <87znfeo47f.fsf@zip.com.au> (raw)
In-Reply-To: 20031021171534.GA13246@lark
Andy Wingo <wingo@pobox.com> writes:
>
> This has the advantage that ASCII characters up to 127 are
> represented the same. Of course, above that characters might take up to
> eight bytes, which means that all code that processes user-input strings
> has to be changed.
There'll be a compatibility question for SCM_STRING_CHARS I think.
Application C code may be using that expecting to see chars as 8 bits,
not some encoded form.
Not sure quite how bad this will be though. If people use strings to
hold raw 8-bit data from a socket or something then it's no doubt
pretty important to make sure they pass straight through, somehow.
There might be another question for SCM_CHAR. It's got 24 bits (if
I'm not mistaken), if that's not enough then changing the relevant
macros will break binary compatibility. (Not a terribly big deal, but
a bit annoying.)
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next prev parent reply other threads:[~2003-11-02 21:23 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-21 17:15 Unicode and Guile Andy Wingo
2003-10-25 17:08 ` Stephen Compall
2003-10-26 0:03 ` Tom Lord
2003-10-26 12:34 ` Which Encoding? (was Re: Unicode and Guile) Stephen Compall
2003-10-31 13:25 ` Unicode and Guile Andy Wingo
2003-11-03 13:35 ` text buffers (was Re: Unicode and Guile) Stephen Compall
2003-11-03 20:34 ` Tom Lord
2003-11-04 10:04 ` Stephen Compall
2003-11-03 20:31 ` Unicode and Guile Tom Lord
2003-11-06 18:16 ` Andy Wingo
2003-11-11 19:02 ` Tom Lord
2003-11-12 0:29 ` Marius Vollmer
2003-11-12 1:40 ` Tom Lord
2003-11-12 2:30 ` Marius Vollmer
2003-11-12 4:03 ` Tom Lord
2003-11-12 16:59 ` Marius Vollmer
2003-11-17 16:17 ` Andy Wingo
2003-11-12 0:06 ` Marius Vollmer
2003-11-12 1:27 ` Tom Lord
2003-10-31 13:16 ` Andy Wingo
2003-11-02 21:23 ` Kevin Ryde [this message]
2003-11-26 20:35 ` Mikael Djurfeldt
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