[src/trunk]: src/usr.sbin/npf Use Nm macro

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

details:   https://anonhg.NetBSD.org/src/rev/fab5da7476a1
branches:  trunk
changeset: 365144:fab5da7476a1
user:      sevan <sevan%NetBSD.org@localhost>
date:      Thu Aug 02 16:42:12 2018 +0000

description:
Use Nm macro
Move history details to the HISTORY section
Spelling
Be less meta & clarify the website should be consulted.

diffstat:

 usr.sbin/npf/npf.7 |  32 ++++++++++++++++++--------------
 1 files changed, 18 insertions(+), 14 deletions(-)

diffs (80 lines):

diff -r bee80ae5c217 -r fab5da7476a1 usr.sbin/npf/npf.7
--- a/usr.sbin/npf/npf.7        Thu Aug 02 16:26:09 2018 +0000
+++ b/usr.sbin/npf/npf.7        Thu Aug 02 16:42:12 2018 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: npf.7,v 1.4 2017/12/10 22:04:41 rmind Exp $
+.\"    $NetBSD: npf.7,v 1.5 2018/08/02 16:42:12 sevan Exp $
 .\"
 .\" Copyright (c) 2009-2014 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 13, 2015
+.Dd August 2, 2018
 .Dt NPF 7
 .Os
 .Sh NAME
@@ -35,16 +35,15 @@
 .Nd NetBSD packet filter
 .\" -----
 .Sh DESCRIPTION
-NPF is a layer 3 packet filter, supporting IPv4 and IPv6 as well as
+.Nm
+is a layer 3 packet filter, supporting IPv4 and IPv6 as well as
 layer 4 protocols such as TCP, UDP, and ICMP.
 It was designed with a focus on high performance, scalability, and
 modularity.
-.Pp
-NPF was written from scratch in 2009 and is distributed under the
-2-clause BSD license.
 .\" -----
 .Sh FEATURES
-NPF offers the traditional set of features provided by packet filters.
+.Nm
+offers the traditional set of features provided by packet filters.
 Some key features are:
 .Bl -bullet -offset indent
 .It
@@ -60,17 +59,20 @@
 .It
 Application Level Gateways (e.g., to support traceroute).
 .It
-NPF uses BPF with just-in-time (JIT) compilation.
+Use of BPF with just-in-time (JIT) compilation.
 .It
-Rule procedures and a framework for NPF extensions.
+Rule procedures and a framework for
+.Nm
+extensions.
 .It
-Traffic normalization (extension).
+Traffic normalisation (extension).
 .It
 Packet logging (extension).
 .El
 .Pp
-For a full set of features and their description, see the NPF
-documentation and other manual pages.
+For a full set of features and their description, see the
+.Nm
+documentation website and other manual pages.
 .\" -----
 .Sh SEE ALSO
 .Xr libnpf 3 ,
@@ -81,10 +83,12 @@
 .Xr npfctl 8 ,
 .Xr npfd 8
 .Pp
-.Lk http://www.netbsd.org/~rmind/npf/ "NPF documentation"
+.Lk http://www.netbsd.org/~rmind/npf/ "NPF documentation website"
 .Sh HISTORY
 .Nm
-first appeared in
+was written from scratch in 2009 and is distributed under the
+2-clause BSD license.
+It first appeared in
 .Nx 6.0 .
 .Sh AUTHORS
 .Nm