[src/trunk]: src/share/man/man4 Earliest reference to /dev/null I can find is...

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

details:   https://anonhg.NetBSD.org/src/rev/1410b370f605
branches:  trunk
changeset: 1003071:1410b370f605
user:      sevan <sevan%NetBSD.org@localhost>
date:      Thu Aug 29 15:22:08 2019 +0000

description:
Earliest reference to /dev/null I can find is in v4 sh(1) and nulldev in
nsys/ken/subr.c
via TUHS archive
https://minnie.tuhs.org/cgi-bin/utree.pl?file=V4

diffstat:

 share/man/man4/null.4 |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (24 lines):

diff -r c6e30857f32e -r 1410b370f605 share/man/man4/null.4
--- a/share/man/man4/null.4     Thu Aug 29 14:28:06 2019 +0000
+++ b/share/man/man4/null.4     Thu Aug 29 15:22:08 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: null.4,v 1.4 2003/08/07 10:31:03 agc Exp $
+.\"    $NetBSD: null.4,v 1.5 2019/08/29 15:22:08 sevan Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"    @(#)null.4      8.1 (Berkeley) 6/5/93
 .\"
-.Dd June 5, 1993
+.Dd August 29, 2019
 .Dt NULL 4
 .Os
 .Sh NAME
@@ -51,4 +51,4 @@
 A
 .Nm
 device appeared in
-.At v7 .
+.At v4 .