> From: Ship Mints <shipmints@gmail.com>
> Date: Fri, 21 Mar 2025 14:11:01 -0400
>  (defcustom uniquify-buffer-name-style 'post-forward-angle-brackets
>    "How to construct unique buffer names for files with the same base name.
> @@ -121,6 +135,8 @@ uniquify-buffer-name-style
>               (const post-forward-angle-brackets)
>                  (function :tag "Other")
>               (const :tag "numeric suffixes" nil))
> +  :initialize #'custom-initialize-default
> +  :set #'uniquify--set-option

Please tell in the doc string that changing the style in the middle of
an Emacs session must be done via Customize or by using setopt, but
not by setting the variable directly (unless uniquify--set-option is
then invoked).