conditional automatic cc header?

[raf]

Cameron Simpson wrote:

> On 01Apr2020 12:34, Jens John <lists at 2ion.de> wrote:
> > Apologies for answering a solved thread; I received raf's followup only after reconnecting to the server when sending my reply.
> 
> A different (and, better, "in mutt") solution is always welcome. The OP
> might adopt it and anyway the rest of us can learn from it.
> 
> Cheers,
> Cameron Simpson <cs at cskk.id.au>

indeed. it looks like a great solution.
hopefully, i can work out why it isn't
being triggered for me, and get it working.

cheers,
raf