bug#65209: 30.0.50; Unexpected behaviour of setq-local

[Michael Heerdegen]

Gerd Möllmann <gerd.moellmann@gmail.com> writes:

> 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.

But isn't it expected that `let' restores the value that was present
before entering `let'?

Michael.