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

MFC r235319:

Remove duplicate words in mdoc(7) pages.

PR: 167810

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)

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

Approved by: re (hrs)

Mark lists as in the rest of section 9 manpages.

Submitted by: Joel Dahl (mostly)

mdoc(7): Fix common mistakes made in the SEE ALSO section.

Add or correct section number in .Xr

Document VOP_LISTEXTATTR(9).

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

ENOATTR is now used for error returns indicating an undefined
extended attribute.

EINVAL can also reflect an invalid namespace for either a get
or set operation on EAs.

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

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

Approved by: re

Convert descriptions in the ERRORS section to full sentences if they
were not full sentences, elaborating as necessary.

Style and markup changes only.

Capitalize the first letter of the descriptions for the entries in the ERRORS
section if they are complete sentences and end the sentences with periods.

More file system > filesystem

- Fix a number of man pages broken by the KSE merger.

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

Fix typos.
o replace `of possible' with `if possible'
o VOP_SETACL(9) is modified to say about `ACL' instead of `extended
attributed'
o EOPNOTSUPP of VOP_SETEXTATTR(9) is modified to say about
VOP_SETEXTATTR(9) instead of VOP_GETEXTATTR(9)

Reviewed by: Robert Watson <rwatson@FreeBSD.org>,
Chris Costello <chris@calldei.com>

mdoc(7) police: normalize .Nd.

o Rename "namespace" argument to "attrnamespace" as namespace is a C++
reserved word

Submitted by: jkh
Obtained from: TrustedBSD Project

o The mdoc(7) police strike with avengance:

- These pages abused Ar macro (they should have used Fa).
- NULL constant should be marked with Dv.
- VOP_* in the ERRORS section for the EOPNOTSUPP entry should be marked
with Fn.

Submitted by: ru

o Update some of the kernel man pages associated with extended attributes
to reflect EA API change to explicit namespacing.

Obtained from: TrustedBSD Project

Fixed bitrot in synopsis (some const poisoning had not reached here).

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

Reviewed by: eivind