🚀 go-pugleaf

The NN newsreader has a handy `nngrab' command that finds all articles
whose subject line contains a given string.  E.g. `nngrab -c RCS' finds
all articles mentioning RCS.  Unfortunately, `nngrab -c INN' finds a
lot of noise because of cancel messages, e.g.:

 a Wade Blomgren     1  >cancel <1hss24INNnl7@network.ucsd.edu>
 b Ruiz Alejandro    1  >cmsg cancel <1hk9a2INN99q@phakt.usc.edu>
 c Gerald Edgar      6  >>cmsg cancel <1hn75kINN436@function.mps.ohio-state.edu>
 d C Schittel        0  >cmsg cancel <1hprl7INNmbj@rs1.rrz.Uni-Koeln.DE>
 [... many other cancel messages omitted ...]
 y.Rich Salz         9  >>INN newbie has innd, nnrpd, trn interaction questions
 [... that was the first useful article ...]

Perhaps INN could be changed so that it doesn't put the string `INN' in
its Message-IDs; this would make it easier for subject-line-based
newsreaders to find out more about INN itself.  No doubt NN experts
can suggest an NN-specific workaround for this problem, but the whole
point is to make things easier for newcomers.

Besides, if we uniformly substitute something short like `.' for `INN'
in Message-IDs, just think of all the bytes we'll save!