On Wed, 05 Aug 2020 09:40:25 +0200
Mathieu Othacehe <othacehe@gnu.org> wrote:
> Each time a mail is sent to "guix-patches@gnu.org" a new bug ticket is
> created. You should first send either the cover letter or the first
> patch, and then send all the subsequent patches to NNN@debbugs.gnu.org
> where NNN is the ticket number created when the first patch is sent.
> 
> See the bottom of
> https://guix.gnu.org/manual/en/html_node/Submitting-Patches.html for
> further explications.
Thanks a lot.

I read that part in the manual some time ago but I didn't think of
(ab)using it in this way to get the intended result.

Denis.