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Re: Sparse key maps garbage?
From: |
Stefan Monnier |
Subject: |
Re: Sparse key maps garbage? |
Date: |
Sun, 31 Aug 2008 02:18:39 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
> If you do
> (defvar my-sparse-map (make-sparse-keymap))
> (define-key my-sparse-map [f4] nil)
> then there will be an entry with f4 in my-sparse-keymap. I do not think
> that is used for anything. Is it? Should it be there?
Actually, IIRC it's (been) used at some places to create a place holder
in the keymap which is later on replaced with the actual binding.
But I do wonder why you care,
Stefan
PS: Some other issues have to do with the delicate treatment of nil
bindings w.r.t inheritance: a nil binding will hide any other binding in
the parent(s).
- Sparse key maps garbage?, Lennart Borgman (gmail), 2008/08/30
- Re: Sparse key maps garbage?,
Stefan Monnier <=
- Re: Sparse key maps garbage?, Lennart Borgman (gmail), 2008/08/31
- Re: Sparse key maps garbage?, Stefan Monnier, 2008/08/31
- Re: Sparse key maps garbage?, Lennart Borgman (gmail), 2008/08/31
- Re: Sparse key maps garbage?, Stefan Monnier, 2008/08/31
- Re: Sparse key maps garbage?, Lennart Borgman (gmail), 2008/08/31
- Re: Sparse key maps garbage?, Stefan Monnier, 2008/08/31