Re: vc-modify-change-comment for "modern" backend fix

[Dmitry Gutov]

On 17.05.2022 22:10, Alfred M. Szmidt wrote:
> Thanks Eli, and Stefan.
>
>     Note that maybe you don't want "just the commit message text" because
>     you may want to preserve extra info such as the `Author:`.
>
> There is I think a very deep hole -- creation time, author, committer,
> branch colour, etc, etc, etc.  As it is now, modify-change-comment is
> quite specific in what it wants to do.

The command could return the contents of the log-edit buffer, including 
the recognized headers, which currently include, for Git,

 Author, Date, No-Verify and Sign-Off.

There's also "Amend", and you may or may not reuse it to implement this 
functionality. Depending on whether you intend to support editing of 
older commits (not just the tip one).