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bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte se
From: |
Stefan Monnier |
Subject: |
bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences |
Date: |
Tue, 03 Apr 2012 21:17:16 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) |
>> But isn't this (unify-charset 'big5 "MyBig5.map") performed in the .emacs?
> Usually yes. But, in that case, if .emacs is encoded in
> Big5 and it contains some Big5 PUA chars, they are not
> unified while loading .emacs.
Hmm... that doesn't sound like it would be a very common problem, but
it's not completely hypothetical either. Would this problem also come
up in a BIG5 locale? If not, then I think we can ignore this problem.
>> Is it really important to support adding unification rules
>> after decoding took place? If so, why?
> As I wrote, I can't tell how important it is. It may be very
> important for those (but I guess very few) who need the above
> operation, but not important for the majority.
> I'm ok to remove such a feature if the maintainers decide that.
The problem with it is that it costs all the time for everyone, and it
makes the behavior of some macros subtly more complex/different and
hence adds a nasty complexity.
So if at all possible, I'd rather find a way to remove it (not for
24.1, obviously).
>> And also, what about removing unification rules after decoding?
> When one tells Emacs to unify some chars, and then reads a file
> containing those chars, there's no way to dis-unify them.
But I guess this problem is even much less common.
Stefan
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Kenichi Handa, 2012/04/02
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Stefan Monnier, 2012/04/03
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Kenichi Handa, 2012/04/03
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Stefan Monnier, 2012/04/03
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Kenichi Handa, 2012/04/03
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences,
Stefan Monnier <=
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Kenichi Handa, 2012/04/05
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Eli Zaretskii, 2012/04/06
- bug#11073: 24.0.94; BIDI-related crash in redisplay with certain byte sequences, Kenichi Handa, 2012/04/09