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

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

MFC r232157, r232158:

r232157:
Fix various typos in manual pages.

Submitted by: amdmi3
PR: 165431

r232158:
Whitespace cleanup:
o Wrap sentences on to new lines
o Cleanup trailing whitespace

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

Approved by: re (implicit)

mdoc: drop redundant .Pp and .LP calls

They have no effect when coming in pairs, or before .Bl/.Bd

Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while
translating these manual pages. Minor corrections by me.

Submitted by: Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

Mechanically kill hard sentence breaks and double whitespaces.

Add or correct section number in .Xr

Assorted mdoc(7) fixes.

Kill whitespace at EOL.

Approved by: re (blanket)

Document the new mac_portacl(4) policy.

Sponsored by: DARPA, Network Associates Laboratories
Obtained from: TrustedBSD Project

Properly mark up column lists. This does not affect output; I just had
the arguments to .Bl incorrect.

Sponsored by: DARPA, Network Associates Laboratories

Update cross-references to include mac(4).

Sponsored by: DARPA, Network Associates Laboratories

o Refer to "Network Associates Laboratories" instead of "NAI Labs" or
"Network Associates Labs" in the copyright notice.
o Remove clause #3 in the license terms.
o Remove the line break from my name.

Sponsored by: DARPA, Network Associates Laboratories

Document the LOMAC security policy.
This man page was co-written by Brian Feldman <green>.

Sponsored by: DARPA, Network Associates Laboratories