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 r235693:

Typo and mdoc(7) style fixes.

PR: 168117

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

Approved by: re (implicit)

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)

Add pieces of infrastructure required for NFSv4 ACL support in UFS.

Reviewed by: rwatson

There are things too complex to be fixed in one commit.
Fix a typo in acl(9) manual page.

Submitted by: avg

Fix typo in the manual page.

Add new constants to the acl(9) manual page.

Remove 'IMPLEMENTATION NOTES' section from acl(9); it was just a copy/paste
from <sys/acl.h> and it would get out-of-date pretty soon.

.Pp before .Sh is redundant.

Reviewed by: ru

Use 'manual page' instead of 'man page' for consistency.

Approved by: re (hrs)

Fixed the misplaced $FreeBSD$.

Uniformly refer to a file system as "file system".

Approved by: re

mdoc(7) police: markup nits.

More file system > filesystem

Begin to turn some of the code in this man page into documentation.
Move the code that I have not yet finished documenting into the
`IMPLEMENTATION NOTES' section.

Sponsored by: DARPA, NAI Labs
Obtained from: TrustedBSD Project

Cross-reference acl.3, vaccess.9, and vaccess_acl_posix1e.9.

Obtained from: TrustedBSD Project
Sponsored by: DARPA, NAI Labs

o Update copyright.
o Updates content to reflect the changes to acl.h for
internal/external acl_t representations.

Approved by: rwatson
Obtained from: TrustedBSD Project

mdoc(7) police: Use the new .In macro for #include statements.

Removed whitespace at end-of-line; no content changes. I simply did
cd src/share; find man[1-9] -type f|xargs perl -pi -e 's/[ \t]+$//'

BTW, what editors are the culprits? I'm using vim and it shows
me whitespace at EOL in troff files with a thick blue block...

Reviewed by: Silence from cvs diff -b
MFC after: 7 days

Prepare for mdoc(7)NG.

remove fullstops from the end of .Xr lines in SEE ALSO sections.

Fix man page structures/constants to match recent changes in acl.h
Fix a few more namespace messes and whitespace curiosities in acl.h
Fix comments in acl.h
Clean up some function prototypes from acl.h that won't be committed
before the code freeze.

Some of this kindly pointed out by: the ever patient bde

Man pages for the VFS extended attribute and access control list vnops.

Reviewed by: eivind