Subject: Re: bug#66244: Buffer is modified: Undo after comment-line

From: Eli Zaretskii <[email-masked]>
Date: Fri, 29 Sep 2023 15:50:57 +0300

> From: Vitaliy Chepelev <[email-masked]>
> Date: Wed, 27 Sep 2023 17:12:37 -0000
> 
> Steps to reproduce:
> 1) C-x C-; or M-x comment-line
> 2) C-/ or M-x undo
> 
> result: U:@**-

Thanks, this is already fixed on the Emacs master branch.