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

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

General mdoc(7) and typo fixes.

PR: 167776
Submitted by: Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after: 3 days

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>

Bump manual page dates.

Add references to termios-related stuff.

Integrate the new MPSAFE TTY layer to the FreeBSD operating system.

The last half year I've been working on a replacement TTY layer for the
FreeBSD kernel. The new TTY layer was designed to improve the following:

- Improved driver model:

The old TTY layer has a driver model that is not abstract enough to
make it friendly to use. A good example is the output path, where the
device drivers directly access the output buffers. This means that an
in-kernel PPP implementation must always convert network buffers into
TTY buffers.

If a PPP implementation would be built on top of the new TTY layer
(still needs a hooks layer, though), it would allow the PPP
implementation to directly hand the data to the TTY driver.

- Improved hotplugging:

With the old TTY layer, it isn't entirely safe to destroy TTY's from
the system. This implementation has a two-step destructing design,
where the driver first abandons the TTY. After all threads have left
the TTY, the TTY layer calls a routine in the driver, which can be
used to free resources (unit numbers, etc).

The pts(4) driver also implements this feature, which means
posix_openpt() will now return PTY's that are created on the fly.

- Improved performance:

One of the major improvements is the per-TTY mutex, which is expected
to improve scalability when compared to the old Giant locking.
Another change is the unbuffered copying to userspace, which is both
used on TTY device nodes and PTY masters.

Upgrading should be quite straightforward. Unlike previous versions,
existing kernel configuration files do not need to be changed, except
when they reference device drivers that are listed in UPDATING.

Obtained from: //depot/projects/mpsafetty/...
Approved by: philip (ex-mentor)
Discussed: on the lists, at BSDCan, at the DevSummit
Sponsored by: Snow B.V., the Netherlands
dcons(4) fixed by: kan

Bump modification date.

The first of thirteen patches by Ed that resolves a documentation
issue in termios.4, ttydefaults.h does not exist in /usr/include
but in /usr/include/sys.

MFC after: 3 days
Submitted by: Ed Schouten (ed at 80386 dot nl)

Fix some section references.

Expand *n't contractions.

Mechanically kill hard sentence breaks and double whitespaces.

mdoc(7): Use the new feature of the .In macro.

Hiten's patchset for section four manpages, slightly edited by me.

Ispell sweep of share/man/man4.

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

Grammar: 'effect' is a noun and 'affect' is a verb.

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

mdoc(7) police: removed HISTORY info from the .Os call.

mdoc(7) police: remove extraneous .Pp before and/or after .Sh.

implement OCRNL, ONOCR, and ONLRET

Obtained from: NetBSD

mdoc(7) police: utilize .St.

mdoc(7) police: split punctuation characters + misc fixes.

mdoc(7) police: Er macro usage cleanup.

mdoc(7) police: fixed typo.

mdoc(7) police: use the new features of the Nm macro.

Added missing .It macros

PR: 21215
Submitted by: Osamu MIHARA

Fix miscellaneous mdoc macro argument limit infringements.

PR: 18465
Reported by: Kazu TAKAMUNE <takamune@avrl.mei.co.jp>

Remove single-space hard sentence breaks. These degrade the quality
of the typeset output, tend to make diffs harder to read and provide
bad examples for new-comers to mdoc.

Grammar fix: ``Different than'' should really be ``different from''.

$Id$ -> $FreeBSD$

Correct typo.

PR: docs/11378
Submitted by: Martin Kammerhofer <dada@balu.kfunigraz.ac.at>

Removed occurrences of consecutive repeated words (such as "the the").

Spelling fixes.

Submitted by: Josh Gilliam <josh@quick.net>
PR: 6880

Backout part of my previous change that changed MIN/TIME to VMIN/VTIME
throughout the man page. Only some of these were corrected.

Pointed out by: bde

The VMIN and VTIME c_cc values were incorrectly defined as MIN and TIME.

Obtained from: NetBSD PR# 3243

add missing cvs Id lines.

Correct some man page xrefs, and some other minor changes to bring some
man pages up to mdoc guidelines and fix some minor formatting glitches.
Also fixed a number of man pages to not abuse the .Xr macro to
display functions and path names and a lot of other junk.

Correct some man page cross references and file location references.

This commit was generated by cvs2svn to compensate for changes in r1638,
which included commits to RCS files with non-trunk default branches.

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