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From: "Jan D." <jan.h.d@swipnet.se>
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Subject: Re: Emacs 23 Mac port
Date: Wed, 13 Jan 2010 08:43:04 +0100
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Cc: emacs-devel@gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
	Leo <sdl.web@gmail.com>
To: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
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On 2010-01-13 00:35, YAMAMOTO Mitsuharu wrote:
>>>>>> On Tue, 12 Jan 2010 09:15:11 -0500, Stefan Monnier<monnier@iro.umontreal.ca>  said:
>
>>> Thanks.  But then a special event such as SIGUSR1 cancels an
>>> incomplete key sequence being typed.  How about doing this only
>>> when the current buffer is changed by the special event?
>
>> IIRC the general approach to these kinds of problems in
>> read-key-sequence is to only recompute the initial state if the
>> current key-sequence is still empty.  I.e. rather than check whether
>> the special event has changed current buffer, we would instead check
>> whether the keybuf is still empty.
>
> Well, at least, it seems to be much cleaner for read_char just to
> return a special code (instead of -2) indicating a command is executed
> via special event map, and let the caller determine what to do for
> that case.

The problem is read_char is called from many places.

	Jan D.