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let vs. buffer local bindings
From: |
Kim F. Storm |
Subject: |
let vs. buffer local bindings |
Date: |
10 May 2002 16:21:07 +0200 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.2.50 |
Gareth Owen <address@hidden> has found a peculiar
interference between let and buffer local bindings.
Does anyone care to comment on the following result:
First try evalling:
(progn
(make-variable-buffer-local 'foo)
(setq-default foo 1)
(list foo
(let ((foo 2) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)
(let ((foo 3) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)
(let ((foo 4) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)))
which produces what seems to be correct:
(1 2 3 4)
But now eval this:
(progn
(setq foo 0)
(list foo
(let ((foo 2) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)
(let ((foo 3) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)
(let ((foo 4) (buf (generate-new-buffer "baz")))
(set-buffer buf) foo)))
which produces what seems to be wrong:
(0 1 3 4)
--
Kim F. Storm <address@hidden> http://www.cua.dk
- let vs. buffer local bindings,
Kim F. Storm <=