Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

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

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

Remove duplicate words in mdoc(7) pages.

PR: 167810
Submitted by: Bryan Drewery {bryan!shatow%net} (hackers lounge)
Found with: textproc/igor
MFC after: 3 days

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 Janitor:

* Fix hard sentence breaks in VFS_*(9) and VOP_*(9) manual pages.

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.

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 The revenge of the mdoc(7) police:

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

Submitted by: ru

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

Reviewed by: eivind