David Bremner writes:
>
> Another option that seems technically feasible, but would involve some
> elisp programming, would be to write a command that re-applies the
> calculation of Fcc from From that already exists, and run that manually
> or perhaps opt-in to running it automatically on send.
David Pinto writes:
>
> I see what you mean, how changing the FCC would prevent the ability to
> manually edit the FCC. But what about updating the FCC when the
> "From" changes?
I don't know how to efficiently detect changes to
From. (notmuch-)message-mode is essentially a text editor buffer,
