===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/nl/nl.1,v
retrieving revision 1.4
retrieving revision 1.5
diff -c -r1.4 -r1.5
*** src/usr.bin/nl/nl.1	2013/09/14 14:55:57	1.4
--- src/usr.bin/nl/nl.1	2013/11/28 20:44:43	1.5
***************
*** 1,4 ****
! .\"	$OpenBSD: nl.1,v 1.4 2013/09/14 14:55:57 jmc Exp $
  .\"	$NetBSD: nl.1,v 1.14 2013/09/09 09:02:25 wiz Exp $
  .\"
  .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
--- 1,4 ----
! .\"	$OpenBSD: nl.1,v 1.5 2013/11/28 20:44:43 jca Exp $
  .\"	$NetBSD: nl.1,v 1.14 2013/09/09 09:02:25 wiz Exp $
  .\"
  .\" Copyright (c) 1999 The NetBSD Foundation, Inc.
***************
*** 28,34 ****
  .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  .\" POSSIBILITY OF SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: September 14 2013 $
  .Dt NL 1
  .Os
  .Sh NAME
--- 28,34 ----
  .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  .\" POSSIBILITY OF SUCH DAMAGE.
  .\"
! .Dd $Mdocdate: November 28 2013 $
  .Dt NL 1
  .Os
  .Sh NAME
***************
*** 52,63 ****
  The
  .Nm
  utility reads lines from the named
! .Ar file
! or the standard input if the
! .Ar file
! argument is omitted,
  applies a configurable line numbering filter operation,
  and writes the result to the standard output.
  .Pp
  The
  .Nm
--- 52,67 ----
  The
  .Nm
  utility reads lines from the named
! .Ar file ,
  applies a configurable line numbering filter operation,
  and writes the result to the standard output.
+ If
+ .Ar file
+ is a single dash
+ .Pq Sq \&-
+ or absent,
+ .Nm
+ reads from the standard input.
  .Pp
  The
  .Nm