nndiary manually (I mean, writing the headers by hand and
so on) would be rather boring. Fortunately, there is a library called
gnus-diary written on top of
nndiary, that does many
useful things for you.
In order to use it, add the following line to your ~/.gnus.el file:
Also, you shouldn’t use any
(see Summary Buffer Lines).
gnus-diary provides both of these
(sorry if you used them before).