Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Scheduled mdoc(7) sweep.

Make documentation up to date with recent changes.

Reviewed by: ru

mdoc(7) police: markup fixes.

Approved by: re

A node that creates a device entry in /dev (yay devfs)
so that /dev/mumble can be the entrypoint to some networking graph,
e.g. a tunnel or a remote tape drive or whatever...

Not fully tested (by me) yet.

Submitted by: Mark Santcroos <marks@ripe.net>
MFC after: 3 weeks