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bug#65209: 30.0.50; Unexpected behaviour of setq-local
From: |
Eli Zaretskii |
Subject: |
bug#65209: 30.0.50; Unexpected behaviour of setq-local |
Date: |
Thu, 10 Aug 2023 17:00:18 +0300 |
> Date: Thu, 10 Aug 2023 15:50:26 +0200
> From: Gerd Möllmann <gerd.moellmann@gmail.com>
>
> Evaluate the following
>
> (progn
> (defvar my-var :default-value)
> (make-variable-buffer-local 'my-var)
> (let ((my-var :let-value))
> (setq-local my-var :buffer-local-new))
> my-var)
> => :default-value
>
> (progn
> (defvar my-var1 :default-value)
> (make-variable-buffer-local 'my-var1)
> (setq my-var1 :buffer-local)
> (let ((my-var1 :let-value))
> (setq-local my-var1 :buffer-local-new))
> my-var1)
> => :buffer-local
>
> In both cases, setq-local has no effect.
>
> (I stumbled over this because lexical-binding is set to nil in *scratch*
> when using persistent-scratch (MELPA). It's quite convolutetd, but in
> short: Custom loads persistent-scratch, which loads the contents of
> *scratch*, and calls lisp-interaction-mode. Lisp-interaction-mode
> setq-local's lexical-binding to t, but this doesn't work because all
> this happens during an eval-buffer that has a specbind of
> lexical-binding to nil.)
Adding Stefan.
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Gerd Möllmann, 2023/08/10
- bug#65209: 30.0.50; Unexpected behaviour of setq-local,
Eli Zaretskii <=
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Michael Heerdegen, 2023/08/10
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Gerd Möllmann, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Michael Heerdegen, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Gerd Möllmann, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Eli Zaretskii, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Gerd Möllmann, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Eli Zaretskii, 2023/08/11
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Michael Heerdegen, 2023/08/13
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Eli Zaretskii, 2023/08/13
- bug#65209: 30.0.50; Unexpected behaviour of setq-local, Drew Adams, 2023/08/11