Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

sendmsg(3) -> sendmsg(2)

MFC after: 1 month
Sponsored by: The FreeBSD Foundation

Remove the advertising clause from the Regents of the University of
California's license, per the letter dated July 22, 1999.

Remove trailing whitespace per mdoc lint warning

Disussed with: gavin
No objection from: doc
Approved by: joel
MFC after: 3 days

Revert changes of 'assure' to 'ensure' made in r211936.

Approved by: rrs (mentor)

Fix incorrect usage of 'assure' and 'insure'.

Approved by: rrs (mentor)

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>

Fix typos and spelling mistakes.

Spelling fixes.

Fix typo of ENOTCONN.
Add missing RETURN VALUES section in sctp_opt_info(3).

Approved by: rrs (mentor)

Miscellaneous mdoc, spelling and inconsistency fixes.

PR: 142573, 142576 (mostly)
Submitted by: brucec
MFC after: 1 week

- correct xref sections

PR: docs/140940
Submitted by: Bruce Cran <bruce@cran.org.uk>
MFC after: 1 week

Assorted spelling, punctuation and mdoc fixes.

Approved by: re (blanket)

Major cleanup: mdoc macros, style, typos etc.

Fix include declaration it was sys/sctp.h should be netinet/sctp.h,
reported by pluknet@gmail.com.

First cut of the sctp man pages. Still need work.