Aha!  In that case, I agree with everything you've said. :)

(Yes, I agree that it's pointlessly incompatible, but I thought someone
must have had a good reason for it---e.g., I'd simply assumed there was
-some- point that I was missing, and that Ubuntu had gone along.  I also
agree that -having- to pass -p is silly if it can take it as a parameter
without -p [it certainly makes both the client & server syntax much more
similar to not require -p), but yes, for backward compatibility, -p
should be allowed.)

Thanks!

P.S.  Huh.  I haven't gone and looked at nc's code carefully, but that clause 
you quote that includes the string "cannot use -p and -l" doesn't seem to make 
it through to any user-visible output.  If I try just "nc -l -p 1234",
I get the "usage: nc [blah blah blah]" that lists all the options but does not 
include that string, which was one of the problems---the message I saw never 
said "you're using incompatible options", and since I was using the same 
options as I always had before, it seemed like option parsing had simply gotten 
broken somehow instead.  Anyway, thanks again.

-- 
broken version of netcat installed by default
https://bugs.launchpad.net/bugs/590925
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