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Re: string port encodings

From: Mark H Weaver
Subject: Re: string port encodings
Date: Tue, 15 Jan 2013 13:46:59 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux)

Hi Andy,

Andy Wingo <address@hidden> writes:
> Quiz: what does this do?
>   (define (f s)
>     (with-output-to-string (lambda () (display s))))
> When called with a string, what should it do?  Like (f "foo").
> If you answered, "return the string", that's what I would think it
> should do.
> But no, currently the answer is locale-specific.  It encodes the string
> according to the current locale, then decodes it from that encoding.  If
> your locale can't encode the string, tough luck for you!
> This is a bit crazy.  Surely the port should be textual?  Surely the
> default encoding for a string port should be utf-8 or something that can
> actually handle all strings?

I agree wholeheartedly.  Unfortunately, the current broken behavior of
string ports has been recommended in our official forums as a clever way
to do arbitrary iconv conversions.  Nonetheless, I still think it ought
to be fixed properly in 2.2.

Here are some past discussions on this topic:


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