. replace .br (roff) with .Pp (mdoc)
. remove dot and end of some enumerations (SEE ALSO, AUTHORS)
. use standard headers
. fix tcpdump xref
. fix a typo (KENEL)
. mark up paths with .Pa, not .Ic.
for doing the intial leg work. I did a little driver reading and modified
the pages some more, plus merged in a little stuff for de.4. This isn't all
of it yet - I'm just gonna commit what I've got done, and get the rest after
I've had some sleep.