bug#72077: 30.0.60; customizing which-key-dont-use-unicode to nil results in nil which-key-separator

[Eli Zaretskii <eliz@gnu.org>]

> Cc: Philip Kaludercic <philipk@posteo.net>
> From: Robert Pluim <rpluim@gmail.com>
> Date: Fri, 12 Jul 2024 16:31:46 +0200
> 
> 
> mkdir /tmp/emacs-30
> HOME=/tmp/emacs-30 src/emacs
> M-x which-key-mode
> M-x customize-variable which-key-dont-use-unicode RET
> 
> toggle it to nil, save it, resulting in the following .emacs:
> 
>     ;;; -*- lexical-binding: t -*-
>     (custom-set-variables
>      ;; custom-set-variables was added by Custom.
>      ;; If you edit it by hand, you could mess it up, so be careful.
>      ;; Your init file should contain only one such instance.
>      ;; If there is more than one, they won't work right.
>      '(which-key-dont-use-unicode nil))
>     (custom-set-faces
>      ;; custom-set-faces was added by Custom.
>      ;; If you edit it by hand, you could mess it up, so be careful.
>      ;; Your init file should contain only one such instance.
>      ;; If there is more than one, they won't work right.
>      )
> 
> C-x <pause> shows which-key using ?→ as separator
> 
> <exit emacs>
> 
> HOME=/tmp/emacs-30 src/emacs
> 
> C-h v which-key-dont-use-unicode RET
> 
>     which-key-dont-use-unicode is a variable defined in ‘which-key.el’.
> 
>     Its value is nil
>     Original value was t
> 
> C-h v which-key-separator RET
> 
>     which-key-separator is a variable defined in ‘which-key.el’.
> 
>     Its value is nil
>     Original value was " → "
> 
> C-h v which-key-ellipsis RET
> 
>     which-key-ellipsis is a variable defined in ‘which-key.el’.
> 
>     Its value is nil
>     Original value was "…"
> 
> M-x which-key-mode
> C-x <pause> shows which-key using 'nil' as separator

Justin, any comments or suggestions?