[src/trunk]: src/share/man/man4 Spell IPsec that way. Simplify macro usage. S...

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

details:   https://anonhg.NetBSD.org/src/rev/4ab08f0d8cc1
branches:  trunk
changeset: 828934:4ab08f0d8cc1
user:      wiz <wiz%NetBSD.org@localhost>
date:      Wed Jan 10 12:16:39 2018 +0000

description:
Spell IPsec that way. Simplify macro usage. Sort SEE ALSO. Bump
date for previous.

diffstat:

 share/man/man4/ipsec.4 |  13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diffs (54 lines):

diff -r 428811e5f29d -r 4ab08f0d8cc1 share/man/man4/ipsec.4
--- a/share/man/man4/ipsec.4    Wed Jan 10 11:46:02 2018 +0000
+++ b/share/man/man4/ipsec.4    Wed Jan 10 12:16:39 2018 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: ipsec.4,v 1.42 2018/01/10 11:08:55 knakahara Exp $
+.\"    $NetBSD: ipsec.4,v 1.43 2018/01/10 12:16:39 wiz Exp $
 .\"    $KAME: ipsec.4,v 1.17 2001/06/27 15:25:10 itojun Exp $
 .\"
 .\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -28,14 +28,14 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 6, 2017
+.Dd January 10, 2018
 .Dt IPSEC 4
 .Os
 .Sh NAME
 .Nm ipsec
 .Nd IP security protocol
 .Sh DESCRIPTION
-This manual pages describes the IPSEC.
+This manual pages describes the IPsec protocol.
 For the network device driver please see
 .Xr ipsecif 4 .
 .Pp
@@ -67,14 +67,13 @@
 is for protecting peer-to-peer communication between end nodes.
 .It Em Tunnel mode
 includes IP-in-IP encapsulation operation
-and is designed for security gateways, as in Virtual Private Network
-.Pq Tn VPN
+and is designed for security gateways, as in Virtual Private Network (VPN)
 configurations.
 .El
 .Pp
 Since version 6,
 .Nx
-uses the IPSEC implementation formerly known as FAST_IPSEC.
+uses the IPsec implementation formerly known as FAST_IPSEC.
 Its specifics and kernel options are described in the
 .Xr fast_ipsec 4
 manual page.
@@ -285,9 +284,9 @@
 .Xr ipsec_set_policy 3 ,
 .Xr fast_ipsec 4 ,
 .Xr icmp6 4 ,
-.Xr ipsecif 4 ,
 .Xr intro 4 ,
 .Xr ip6 4 ,
+.Xr ipsecif 4 ,
 .Xr racoon 8 ,
 .Xr setkey 8 ,
 .Xr sysctl 8