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Re: [Unicode-2] `read' always returns multibyte symbol
From: |
Stefan Monnier |
Subject: |
Re: [Unicode-2] `read' always returns multibyte symbol |
Date: |
Wed, 14 Nov 2007 20:15:37 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux) |
>>> ! ;; Use a unibyte buffer in order to make `read' read non-ASCII
>>> ! ;; group names (which have been encoded) as unibyte strings.
>>> ! (mm-with-unibyte-buffer
>>> ! (insert-buffer-substring cur)
>> Why is `cur' a multibyte buffer? Since it contains encoded strings, I'd
>> expect it would be better (more robust and convenient) to use a unibyte
>> buffer for it.
> Good point. The `cur' is `nntp-server-buffer' (" *nntpd*") or
> `gnus-work-buffer' (" *gnus work*") as the case may be.
Don't know about gnus-work-buffer, but nntp-server-buffer should only
ever contain unibyte data AFAICT, so it would be better to put it in
unibyte mode.
> Gnus uses those buffers for various purposes. Although there looks no
> situation where it is necessary to have multibyte data as far as I can
> observe, Gnus explicitly sets them as multibyte buffers (see
> `nnheader-init-server-buffer' and `gnus-set-work-buffer').
> I believe the reason they do so is to prevent from breaking data when
> copying them to another multibyte buffer (IIUC, copying data from
> a multibyte buffer to a unibyte buffer causes no problem).
I'm not sure I understand: copying data from a multibyte buffer to
a unibyte buffer is exactly the case that can cause problems.
Stefan
Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/13
- Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/14
- Re: [Unicode-2] `read' always returns multibyte symbol, Stefan Monnier, 2007/11/14
- Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/14
- Re: [Unicode-2] `read' always returns multibyte symbol,
Stefan Monnier <=
- Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/14
- Re: [Unicode-2] `read' always returns multibyte symbol, Stefan Monnier, 2007/11/14
Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Kenichi Handa, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Kenichi Handa, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Kenichi Handa, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Katsumi Yamaoka, 2007/11/15
Re: [Unicode-2] `read' always returns multibyte symbol, Stefan Monnier, 2007/11/15