Re: Any "Rmail" specialists out there?

[Eli Zaretskii <eliz@gnu.org>]

> From: Dr Rainer Woitok <rainer.woitok@gmail.com>
> Date: Sun, 26 May 2024 17:39:14 +0200
> 
>   * Is there a way to modify the format used to display the lines in the
>     "Summary" buffer (apart from suppressing the mail length column)?
> 
>     - Less blanks between columns.
> 
>     - Date format "YYYY-MM-DD" (or at least "MM-DD").
> 
>     - Because I have set "rmail-delete-after-output" to non-nil, and be-
>       cause a saved mail is very different from a deleted mail,  I would
>       prefer an "S" marker for saved mails over just "D".
> 
>   * Is there a way  to specify the order  in which not suppressed header
>     lines are displayed?
> 
>     - Aparently "Rmail" displays headers  in the same order  as found in
>       the original mail,  and whenever I want to inspect some particular
>       header, I have to explicitly search for it, because the header or-
>       der changes from mail to mail.

AFAICT, you will need code changes for the above to happen.  For
example, to change the format of summary lines, modify
rmail-header-summary and rmail-create-summary.