Add HISTORY section. OK schwarze@.

diff --git a/usr.bin/uniq/uniq.1 b/usr.bin/uniq/uniq.1
index affd478..cc8c8df 100644 (file)
--- a/usr.bin/uniq/uniq.1
+++ b/usr.bin/uniq/uniq.1
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: uniq.1,v 1.21 2017/12/23 00:52:33 schwarze Exp $
+.\"    $OpenBSD: uniq.1,v 1.22 2021/11/02 15:12:09 millert Exp $
 .\"    $NetBSD: uniq.1,v 1.5 1994/12/06 07:51:15 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
@@ -33,7 +33,7 @@
 .\"
 .\"     @(#)uniq.1     8.1 (Berkeley) 6/6/93
 .\"
-.Dd $Mdocdate: December 23 2017 $
+.Dd $Mdocdate: November 2 2021 $
 .Dt UNIQ 1
 .Os
 .Sh NAME
@@ -159,3 +159,8 @@ The historic
 and
 .Fl Ns Ar number
 options have been deprecated but are still supported in this implementation.
+.Sh HISTORY
+A
+.Nm
+utility first appeared in
+.At v3 .