bug#2022: 23.0.60; Rmail buffer marked modified after saving it

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Date: Sat, 24 Jan 2009 22:10:22 -0500
> Cc: 2022@emacsbugs.donarmstrong.com
> 
> 
> OT:
> 
> You replied to a mail that looked like this:
> 
>   From: Eli Zaretskii <eliz@gnu.org>
>   To: emacs-pretest-bug@gnu.org
>   Reply-To: Eli Zaretskii <eliz@gnu.org>, 2022@emacsbugs.donarmstrong.com
> 
> Your reply was addressed to:
> 
>   To: Eli Zaretskii <eliz@gnu.org>, 2022@emacsbugs.donarmstrong.com
>   Cc: emacs-pretest-bug@gnu.org, bug-gnu-emacs@gnu.org,
>        bug-submit-list@donarmstrong.com
> 
> Where are all these extra addresses coming from?

Like me, Richard uses Rmail.  So I'm guessing he just pressed `r',
which replies to all the addresses in From:, To:, CC:, and Reply-To:,
which are not himself.