[src/trunk]: src/share/man/man7 Remove lurking reference to TCP_COMPAT_42.

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

details:   https://anonhg.NetBSD.org/src/rev/24bcafdbece3
branches:  trunk
changeset: 355483:24bcafdbece3
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sun Jul 30 16:07:06 2017 +0000

description:
Remove lurking reference to TCP_COMPAT_42.

diffstat:

 share/man/man7/sysctl.7 |  9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)

diffs (37 lines):

diff -r 154ccebe3fd7 -r 24bcafdbece3 share/man/man7/sysctl.7
--- a/share/man/man7/sysctl.7   Sun Jul 30 14:23:54 2017 +0000
+++ b/share/man/man7/sysctl.7   Sun Jul 30 16:07:06 2017 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.7,v 1.116 2017/07/11 08:32:17 wiz Exp $
+.\"    $NetBSD: sysctl.7,v 1.117 2017/07/30 16:07:06 maxv Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)sysctl.3    8.4 (Berkeley) 5/9/95
 .\"
-.Dd July 2, 2017
+.Dd July 30, 2017
 .Dt SYSCTL 7
 .Os
 .Sh NAME
@@ -1413,7 +1413,6 @@
 .It tcp        mss_ifmtu       integer yes
 .It tcp        win_scale       integer yes
 .It tcp        timestamps      integer yes
-.It tcp        compat_42       integer yes
 .It tcp        cwm     integer yes
 .It tcp        cwm_burstsize   integer yes
 .It tcp        ack_on_push     integer yes
@@ -1606,10 +1605,6 @@
 but has the caveat of potentially defeating TCP's delayed ACK algorithm.
 Use of this option is generally not recommended, but
 the variable exists in case your configuration really needs it.
-.It Li tcp.compat_42
-If set to 1, enables work-arounds for bugs in the 4.2BSD TCP implementation.
-Use of this option is not recommended, although it may be
-required in order to communicate with extremely old TCP implementations.
 .It Li tcp.cwm
 If set to 1, enables use of the Hughes/Touch/Heidemann Congestion Window
 Monitoring algorithm.