[src/trunk]: src/lib/libnvmm Mark up NULL with Dv. Remove empty line.

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

details:   https://anonhg.NetBSD.org/src/rev/c48cd333c4e9
branches:  trunk
changeset: 448596:c48cd333c4e9
user:      wiz <wiz%NetBSD.org@localhost>
date:      Tue Feb 05 15:03:35 2019 +0000

description:
Mark up NULL with Dv. Remove empty line.

diffstat:

 lib/libnvmm/libnvmm.3 |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 4d92120a0a33 -r c48cd333c4e9 lib/libnvmm/libnvmm.3
--- a/lib/libnvmm/libnvmm.3     Tue Feb 05 14:07:24 2019 +0000
+++ b/lib/libnvmm/libnvmm.3     Tue Feb 05 15:03:35 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: libnvmm.3,v 1.10 2019/02/05 13:56:32 maxv Exp $
+.\"    $NetBSD: libnvmm.3,v 1.11 2019/02/05 15:03:35 wiz Exp $
 .\"
 .\" Copyright (c) 2018, 2019 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -377,7 +377,6 @@
 see
 .Sx Exit Reasons
 below for details.
-
 .Ss Exit Reasons
 The
 .Cd nvmm_exit
@@ -499,7 +498,8 @@
 .Fn nvmm_assist_mem
 are invoked.
 VMM software that does not intend to use either of these assists can put
-NULL in the callbacks.
+.Dv NULL
+in the callbacks.
 .Ss I/O Assist
 When a VM exit occurs with reason
 .Cd NVMM_EXIT_IO ,