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From: Kenichi Handa <handa@m17n.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: eliz@gnu.org, emacs-devel@gnu.org
Subject: Re: What does `undecided' do for encoding text?
Date: Mon, 16 Feb 2009 20:44:44 +0900	[thread overview]
Message-ID: <E1LZ1u0-0004QQ-9M@etlken> (raw)
In-Reply-To: <jwvwsbykkzu.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Tue, 10 Feb 2009 17:04:15 -0500)

In article <jwvwsbykkzu.fsf-monnier+emacs@gnu.org>, Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

>>> It looks like `undecided' works the same as `raw-text' for encoding
>>> text.  Is that true in general?
> > Yes.  More exactly, it is the same as `raw-text-unix'.

> Which I prefer calling `binary'.

What do you mean by "calling"?

raw-text-unix and binary are different when
coding-system-change-text-conversion and
coding-system-change-eol-conversion are called.

>>> I think this should be reflected in the ELisp manual.
> > I don't think so because it is just a fallback behavior, and
> > Elisp programmer should avoid specifying `undecided' on
> > encoding.

> Then why do we even allow it?  We should signal an error.

It seems difficult to find a good point of signaling an
error.  At least, visiting an ascii only file, inputting
ascii only, and saving it should be a valid operation.  At
that time, buffer-file-coding-system is undecided-unix.

---
Kenichi Handa
handa@m17n.org




  reply	other threads:[~2009-02-16 11:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-07 15:32 What does `undecided' do for encoding text? Eli Zaretskii
2009-02-10  7:01 ` Kenichi Handa
2009-02-10  9:22   ` Eli Zaretskii
2009-02-10 11:16     ` Kenichi Handa
2009-02-10 11:47       ` Eli Zaretskii
2009-02-11  9:20         ` Kenichi Handa
2009-02-10 22:04   ` Stefan Monnier
2009-02-16 11:44     ` Kenichi Handa [this message]
2009-02-16 13:47       ` Stefan Monnier

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