Re: outline-minor-mode for tabulated-list-mode

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Date: Sun, 18 Feb 2024 19:05:31 +0200
> 
> +(defcustom Buffer-menu-group-by nil
> +  "If non-nil, buffers are grouped by function."
> +  :type 'function
> +  :group 'Buffer-menu
> +  :version "30.1")

Please consider letting users choose a symbol, not a function.  Each
symbol can be mapped to a function, but having a user option whose
values are functions makes it harder for users to customize the
option.

Thanks.