From: David Reitter <david.reitter@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Tomohiro MATSUYAMA <t.matsuyama.pub@gmail.com>, emacs-devel@gnu.org
Subject: Re: Defining key onto copied global map problem
Date: Tue, 24 Feb 2009 17:39:01 -0500 [thread overview]
Message-ID: <2855C172-B555-47C1-A1C1-2440BEDFED30@gmail.com> (raw)
In-Reply-To: <jwvvdqzqy8w.fsf-monnier+emacs@gnu.org>
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On 24 Feb 2009, at 17:14, Stefan Monnier wrote:
>> (define-key (copy-keymap (current-global-map)) (kbd "M-c")
>> 'ignore)
>
> This creates a new keymap (of same content as the global map),
> modifies
> it and then throws it away.
Which is why changing the copy of the keymap should have no effect -
but it does. I reproduce on Emacs 22.
Note that
(define-key (copy-keymap (current-global-map)) (kbd "x") 'ignore)
works as expected, i.e. it does nothing.
"x" is in my global key-map, while M-c isn't bound there.
I also tried something like
(setcdr (copy-keymap (current-global-map)) '(foo))
which doesn't do anything to the global keymap either, so failing to
copy the tail isn't the problem.
Further, note that the M-c binding doesn't show up in the original
global map after the define-key call above; however, the binding
becomes effective.
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next prev parent reply other threads:[~2009-02-24 22:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-24 9:19 Defining key onto copied global map problem Tomohiro MATSUYAMA
2009-02-24 22:14 ` Stefan Monnier
2009-02-24 22:39 ` David Reitter [this message]
2009-02-25 0:11 ` Miles Bader
2009-02-25 4:54 ` Stefan Monnier
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