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bug#9469: buffer-local variables seem to remember previous values
From: |
Le Wang |
Subject: |
bug#9469: buffer-local variables seem to remember previous values |
Date: |
Mon, 12 Sep 2011 03:18:39 +0800 |
On Mon, Sep 12, 2011 at 2:54 AM, Lars Magne Ingebrigtsen <larsi@gnus.org> wrote:
> If I read your code correctly, Andreas is correct and precise as usual,
> if a bit terse. :-)
Ok, that was my fault. I didn't know how to make heads or tails of
the situation, so included some red herrings in my original snippet.
This should clarify my exact point of confusion:
(setq foo-alist nil)
;; => nil
(defun reset-var-in-foo-alist ()
(push '(:var . 0) foo-alist))
;; => reset-var-in-foo-alist
(defun increment-var-in-foo-alist ()
(let ((var-cons (assq :var foo-alist)))
(setcdr var-cons (1+ (cdr var-cons)))))
;; => increment-var-in-foo-alist
(reset-var-in-foo-alist)
;; => ((:var . 0))
(increment-var-in-foo-alist)
;; => 1
(reset-var-in-foo-alist)
;; => ((:var . 1) (:var . 1))
Again, my misunderstanding was that in `reset-var-in-foo-alist' quote
does not cons, I assumed it did.
--
Le
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/10
- bug#9469: buffer-local variables seem to remember previous values, Drew Adams, 2011/09/10
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values, Drew Adams, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values, Andreas Schwab, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values, Lars Magne Ingebrigtsen, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values,
Le Wang <=
- bug#9469: buffer-local variables seem to remember previous values, Lars Magne Ingebrigtsen, 2011/09/11
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Andreas Schwab, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Andreas Schwab, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Drew Adams, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/12
- bug#9469: buffer-local variables seem to remember previous values, Stefan Monnier, 2011/09/13
- bug#9469: buffer-local variables seem to remember previous values, Le Wang, 2011/09/13
- bug#9469: buffer-local variables seem to remember previous values, Helmut Eller, 2011/09/13