There is no man page for the netgraph node ng_pipe.
This is my attempt to add one.
Thank you for the man page.
Can you run textproc/igor and "mandoc -Tlint" over your man page? They will display some warnings and provide some hint on which line they are.
We also have a bit of info here: https://www.freebsd.org/doc/en_US.ISO8859-1/books/fdp-primer/manpages-markup.html
|66 ↗||(On Diff #63401)|
You need to have a line break after a sentence stop.
|76 ↗||(On Diff #63401)|
Another (two actually) line break here.
|81 ↗||(On Diff #63401)|
Line break after the sentence stop.
|85 ↗||(On Diff #63401)|
A line break after the sentence stop is needed here, too.
Code and manpage are separate copyrightable items. I suppose the code examples could justify the existing copyrights, but you should definitely add yourself as copyright holder as well.