all:
Organization: a) Discordia b) none c) what's that?
Content-Type: gibberish, charset=ascii-art

replcomps (this is not exact, it lacks the original -cc all bug):
%<{date}In reply to your message from the not too distant future: next \
%<(nodate{date})%{date}%|%(weekday{date})%> AD\n%>\

e.g;
In reply to your message from the not too distant future: next Thursday AD