correct Research Unix edition "appeared in" use in HISTORY

Starting from "Combined Table of Contents" in Doug McIlroy's
"A Research UNIX Reader" a table of which edition manuals appeared in.
Checked against manuals from bitsavers/TUHS and source from TUHS where
available.

Ingo points out there are cases where something is included but not
documented until a later release.
bcd(6)		v6	v7
printf(3)	v2	v4
abort(3)	v5	v6
system(3)	v6	v7
fmod(3)		v5	v6

ok schwarze@

5 files changed, 15 insertions, 15 deletions

diff --git a/lib/libc/gen/nlist.3 b/lib/libc/gen/nlist.3
index 14e9310f561..0afb82c3d7c 100644
--- a/lib/libc/gen/nlist.3
+++ b/lib/libc/gen/nlist.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: nlist.3,v 1.13 2013/10/20 07:40:39 jmc Exp $
+.\"	$OpenBSD: nlist.3,v 1.14 2020/02/08 01:09:57 jsg Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: October 20 2013 $
+.Dd $Mdocdate: February 8 2020 $
 .Dt NLIST 3
 .Os
 .Sh NAME
@@ -73,4 +73,4 @@ does not exist or is not an executable, the returned value is \-1.
 An
 .Fn nlist
 function first appeared in
-.At v3 .
+.At v2 .
diff --git a/lib/libc/gen/sleep.3 b/lib/libc/gen/sleep.3
index 899c083c4e3..8702cb0d976 100644
--- a/lib/libc/gen/sleep.3
+++ b/lib/libc/gen/sleep.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sleep.3,v 1.15 2014/02/21 23:39:39 schwarze Exp $
+.\"	$OpenBSD: sleep.3,v 1.16 2020/02/08 01:09:57 jsg Exp $
 .\"
 .\" Copyright (c) 1986, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: February 21 2014 $
+.Dd $Mdocdate: February 8 2020 $
 .Dt SLEEP 3
 .Os
 .Sh NAME
@@ -79,7 +79,7 @@ function conforms to
 A
 .Fn sleep
 system call first appeared in
-.At v3 .
+.At v2 .
 In
 .At v7 ,
 it was removed and replaced by a C library implementation based on
diff --git a/lib/libc/stdlib/qsort.3 b/lib/libc/stdlib/qsort.3
index de3e58fc234..4c0cddaccbc 100644
--- a/lib/libc/stdlib/qsort.3
+++ b/lib/libc/stdlib/qsort.3
@@ -29,9 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: qsort.3,v 1.26 2019/05/15 16:58:56 schwarze Exp $
+.\"	$OpenBSD: qsort.3,v 1.27 2020/02/08 01:09:57 jsg Exp $
 .\"
-.Dd $Mdocdate: May 15 2019 $
+.Dd $Mdocdate: February 8 2020 $
 .Dt QSORT 3
 .Os
 .Sh NAME
@@ -273,4 +273,4 @@ function conforms to
 A
 .Fn qsort
 function first appeared in
-.At v3 .
+.At v2 .
diff --git a/lib/libc/sys/intro.2 b/lib/libc/sys/intro.2
index b2069bfba7d..6f96c020dca 100644
--- a/lib/libc/sys/intro.2
+++ b/lib/libc/sys/intro.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: intro.2,v 1.68 2018/09/30 13:24:33 schwarze Exp $
+.\"	$OpenBSD: intro.2,v 1.69 2020/02/08 01:09:57 jsg Exp $
 .\"	$NetBSD: intro.2,v 1.6 1995/02/27 12:33:41 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1983, 1986, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)intro.2	8.3 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: September 30 2018 $
+.Dd $Mdocdate: February 8 2020 $
 .Dt INTRO 2
 .Os
 .Sh NAME
@@ -743,4 +743,4 @@ socket was created.
 An
 .Nm
 manual for section 2 first appeared in
-.At v6 .
+.At v5 .
diff --git a/lib/libc/sys/kill.2 b/lib/libc/sys/kill.2
index 20bdf56af0b..f12cc4b03dc 100644
--- a/lib/libc/sys/kill.2
+++ b/lib/libc/sys/kill.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: kill.2,v 1.25 2017/05/06 22:37:43 millert Exp $
+.\"	$OpenBSD: kill.2,v 1.26 2020/02/08 01:09:57 jsg Exp $
 .\"	$NetBSD: kill.2,v 1.7 1995/02/27 12:33:53 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)kill.2	8.3 (Berkeley) 4/19/94
 .\"
-.Dd $Mdocdate: May 6 2017 $
+.Dd $Mdocdate: February 8 2020 $
 .Dt KILL 2
 .Os
 .Sh NAME
@@ -161,7 +161,7 @@ function conforms to
 The
 .Fn kill
 system call first appeared in
-.At v3 .
+.At v2 .
 The
 .Fa sig
 argument was introduced in