Hi,

The sed(1) man page misses a major point in the description of
command n: The current pattern space is output if automatic printing
has not been suppressed.

I've attached a patch against master.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)