From: "Stephen J. Turnbull" <stephen@xemacs.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: Teemu Likonen <tlikonen@iki.fi>, emacs-devel@gnu.org
Subject: Re: substitute-key-definition vs. define-key MAP [remap ...]
Date: Fri, 23 Jul 2010 12:50:03 +0900 [thread overview]
Message-ID: <87aapiyhzo.fsf@uwakimon.sk.tsukuba.ac.jp> (raw)
In-Reply-To: <jwvbp9zrvx3.fsf-monnier+emacs@gnu.org>
Stefan Monnier writes:
> > So, am I right in saying that using substitute-key-definition on global
> > map directly is a bad practice?
>
> Yes and no. Part of the reason why it exists is because that code was
> written before remap was available. Another part is because I'm not
> sure remap is available in XEmacs, so packages who want to work in
> XEmacs may prefer not to use it.
It's not available in XEmacs.
I haven't thought carefully about it, but my initial reaction is to
oppose introducing it. It adds a lot of complexity (an additional
layer of indirection), and like `substitute-key-definition', it
postpones the real solution to issues that create demand for these
features: rewrite the function so that it can be configured by users,
modes, etc.
> Finally, in some cases, using remap is not the right answer either
> because remap not only replaces the command at its "usual" key-bindings,
> but at all its key-bindings,
If I understand you correctly, that won't get into XEmacs any time
soon. Do you really mean that `define-key' is allowed to effectively
change the command binding of a symbol globally, so that its function
definition is ignored in the context of interpreting keystrokes? Ie,
`define-key' now turns Emacs into what is effectively a LISP-3?
next prev parent reply other threads:[~2010-07-23 3:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-15 8:25 substitute-key-definition vs. define-key MAP [remap ...] Teemu Likonen
2010-07-22 22:36 ` Stefan Monnier
2010-07-23 3:50 ` Stephen J. Turnbull [this message]
2010-07-23 9:26 ` Stefan Monnier
2010-07-23 9:32 ` Miles Bader
2010-07-24 7:08 ` Stephen J. Turnbull
2010-07-24 8:19 ` David Kastrup
2010-07-24 9:33 ` Miles Bader
2010-07-24 14:25 ` Stephen J. Turnbull
2010-07-25 3:21 ` Miles Bader
2010-07-25 10:19 ` Stephen J. Turnbull
2010-07-25 13:43 ` Miles Bader
2010-07-23 10:03 ` David Kastrup
2010-07-24 6:27 ` Stephen J. Turnbull
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