Subject: Re: bug#58137: 28.1; M-x setenv RET PATH RET should default to the current $PATH

From: Lars Ingebrigtsen <[email-masked]>
Date: Wed, 28 Sep 2022 13:14:10 +0200

"Trent W. Buck" <[email-masked]> writes:

> I wish M-x setenv, when setting a variable that already has a value,
> defaulted to that value (instead of the empty string).
>
> This would make it easier to make minor adjustments to a long messy value.
> The history is already there (M-p), but it's input history.
> If the variable was initially set outside of Emacs, it won't be in history.

M-x setenv RET PATH RET M-n

will bring you the current value from the "future history".  This is how
most prompting commands in Emacs work.