Subject: Re: bug#67053: 29.1; Doc string of variable `dired-use-ls-dired'

From: Eli Zaretskii <[email-masked]>
Date: Sat, 11 Nov 2023 09:14:32 +0200

> Cc: [email-masked]
> From: Drew Adams <[email-masked]>
> Date: Fri, 10 Nov 2023 23:40:45 +0000
> 
> The special value of `unspecified' apparently does _not_
> just mean that such a check is needed and will be done.
> The value means that support isn't known, whether or
> not the check has been done.

No, it means the check has not been done yet, and will be done when
needed.  After the check the value will never be 'unspecified'.