[src/trunk]: src/share/man/man4 Document options COMPAT_40, COMPAT_50, and CO...

[apb <apb%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/367e0be11395
branches:  trunk
changeset: 801753:367e0be11395
user:      apb <apb%NetBSD.org@localhost>
date:      Sat Aug 16 15:34:33 2014 +0000

description:
Document options COMPAT_40, COMPAT_50, and COMPAT_60.

diffstat:

 share/man/man4/options.4 |  13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diffs (41 lines):

diff -r f9f3f32b2b74 -r 367e0be11395 share/man/man4/options.4
--- a/share/man/man4/options.4  Sat Aug 16 13:01:33 2014 +0000
+++ b/share/man/man4/options.4  Sat Aug 16 15:34:33 2014 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: options.4,v 1.439 2014/07/23 21:19:33 wiz Exp $
+.\"    $NetBSD: options.4,v 1.440 2014/08/16 15:34:33 apb Exp $
 .\"
 .\" Copyright (c) 1996
 .\"    Perry E. Metzger.  All rights reserved.
@@ -30,7 +30,7 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\"
-.Dd July 23, 2014
+.Dd August 16, 2014
 .Dt OPTIONS 4
 .Os
 .Sh NAME
@@ -320,6 +320,9 @@
 for details about the changes made after the
 .Nx 3.0
 release.
+.It Cd options COMPAT_40
+Enable binary compatibility with
+.Nx 4.0 .
 .It Cd options COMPAT_43
 Enables compatibility with
 .Bx 4.3 .
@@ -348,6 +351,12 @@
 support for some older pre
 .Bx 4.4
 socket calls.
+.It Cd options COMPAT_50
+Enable binary compatibility with
+.Nx 5.0 .
+.It Cd options COMPAT_60
+Enable binary compatibility with
+.Nx 6.0 .
 .It Cd options COMPAT_BSDPTY
 This option is currently on by default and enables the pty multiplexer
 .Xr ptm 4