bug#66798: 29.1; Debbugs leftover headers in message-mode

[Michael Albinus]

Bruno Victal <mirai@makinata.eu> writes:

Hi Bruno,

> 1. Start debbugs with `M-x debbugs-gnu'.
> 2. Open any bug and start a reply. (e.g. with `S w')
> 3. Close the message-mode buffer with `C-x k'. (i.e. give up on replying)
> 4. (Optionally) close the article with 'q', close debbugs-gnu buffer
> with 'q'.
> 5. Start message-mode with `C-x m'. (to write an unrelated message)
> 6. Observe `X-Draft-From: ("nndoc+ephemeral:bug#66561" 2)' headers in
> message-mode.
>
> These leftover lines also occur if instead of `C-x m' in step 5 I perform
> `M-x report-emacs-bug'.

What is the problem with this header line? AFAIK, this header line is
removed when sending the message.

Best regards, Michael