From: Gerard Brunick <gbrunick@math.utexas.edu>
To: emacs-pretest-bug@gnu.org
Subject: bug#2179: 23.0.60; define-key vs define-key-after key syntax
Date: Tue, 03 Feb 2009 01:31:34 -0600 [thread overview]
Message-ID: <4987F2D6.2010900@math.utexas.edu> (raw)
This may or may not be a bug, but it caused me some pain, so I am
pointing it out.
(define-key my-map [(control l)] 'do-something)
works as expected, but
(define-key-after my-map [(control l)] 'do-something)
does not. The reason is that define-key does a lot of work to allow
for a wide range of key syntaxes, but define-key-after just does:
(setq key
(if (<= (length key) 1) (aref key 0) ...
and (control l) must get mapped to ?\C-l = 12 to be useful in a keymap.
As I say, I'm not sure this is a bug, but it was rather
counter-intuitive to me, so maybe a warning to this effect in the
documentation for define-key-after would be sufficient. The current
documentation says "... This is like `define-key' except that the binding
for KEY is placed just after the binding for the event AFTER ..."
Cheers,
Gerard
next reply other threads:[~2009-02-03 7:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-03 7:31 Gerard Brunick [this message]
2011-09-11 21:18 ` bug#2179: 23.0.60; define-key vs define-key-after key syntax Lars Magne Ingebrigtsen
2011-09-11 21:48 ` Andreas Schwab
2011-09-11 22:22 ` Lars Magne Ingebrigtsen
2011-09-12 7:48 ` Andreas Schwab
2011-09-12 7:59 ` Lars Magne Ingebrigtsen
2011-09-12 8:14 ` Andreas Schwab
2011-10-05 5:08 ` Glenn Morris
2011-10-06 19:16 ` Lars Magne Ingebrigtsen
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