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Re: [Chicken-users] ditching syntax-case modules for the utf8 egg


From: Graham Fawcett
Subject: Re: [Chicken-users] ditching syntax-case modules for the utf8 egg
Date: Tue, 18 Mar 2008 10:29:48 -0400

On Tue, Mar 18, 2008 at 10:01 AM, John Cowan <address@hidden> wrote:
> Graham Fawcett scripsit:
>
>  > So, a byte string would simply be a string with a null auxilliary vector.
>
>  That doesn't work.  A byte-string is not a sequence of characters from
>  the ASCII repertoire, it's a sequence of characters from the repertoire
>  {ASCII set, characters numbered 129 through 255 with uncertain semantics}.
>  Well, except on EBCDIC machines, where the repertoire is that of some
>  unspecified EBCDIC code page.

Right. But I had taken "byte string" to mean, "string of one-byte
characters of unspecified encoding; possibly a vector of octets that
don't represent characters at all". Under this model, a null auxiliary
vector would indicate the lack of wide characters, nothing more.

Graham




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