===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/uniq/uniq.1,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -r1.19 -r1.20
--- src/usr.bin/uniq/uniq.1	2016/10/24 13:46:58	1.19
+++ src/usr.bin/uniq/uniq.1	2017/12/21 10:05:59	1.20
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: uniq.1,v 1.19 2016/10/24 13:46:58 schwarze Exp $
+.\"	$OpenBSD: uniq.1,v 1.20 2017/12/21 10:05:59 tb 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: October 24 2016 $
+.Dd $Mdocdate: December 21 2017 $
 .Dt UNIQ 1
 .Os
 .Sh NAME
@@ -41,7 +41,7 @@
 .Nd report or filter out repeated lines in a file
 .Sh SYNOPSIS
 .Nm uniq
-.Op Fl c
+.Op Fl ci
 .Op Fl d | u
 .Op Fl f Ar fields
 .Op Fl s Ar chars
@@ -73,6 +73,8 @@
 A field is a string of non-blank characters separated from adjacent fields
 by blanks, with blanks considered part of the following field.
 Field numbers are one based, i.e., the first field is field one.
+.It Fl i
+Case insensitive comparison of lines.
 .It Fl s Ar chars
 Ignore the first
 .Ar chars
@@ -138,13 +140,15 @@
 .St -p1003.1-2008
 specification.
 .Pp
-The use of
+The
+.Fl i
+option and the use of
 .Fl c
 in conjunction with
 .Fl d
 or
 .Fl u
-is an extension to that specification.
+are extensions to that specification.
 .Pp
 The historic
 .Cm + Ns Ar number