[src/trunk]: src/bin/cat Describe behaviour when no arguments are given.

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

details:   https://anonhg.NetBSD.org/src/rev/5af9e872fed9
branches:  trunk
changeset: 778608:5af9e872fed9
user:      wiz <wiz%NetBSD.org@localhost>
date:      Fri Apr 06 11:42:08 2012 +0000

description:
Describe behaviour when no arguments are given.
Add comma.
Bump date.

>From Bug Hunting.

diffstat:

 bin/cat/cat.1 |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (37 lines):

diff -r beea919fb80c -r 5af9e872fed9 bin/cat/cat.1
--- a/bin/cat/cat.1     Fri Apr 06 11:36:56 2012 +0000
+++ b/bin/cat/cat.1     Fri Apr 06 11:42:08 2012 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: cat.1,v 1.32 2006/09/23 11:24:44 wiz Exp $
+.\"    $NetBSD: cat.1,v 1.33 2012/04/06 11:42:08 wiz Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"     @(#)cat.1      8.3 (Berkeley) 5/2/95
 .\"
-.Dd September 23, 2006
+.Dd April 6, 2012
 .Dt CAT 1
 .Os
 .Sh NAME
@@ -54,6 +54,9 @@
 and may appear multiple times in the
 .Ar file
 list.
+If no
+.Ar file
+operands are given, standard input is read.
 .Pp
 The word
 .Dq concatenate
@@ -65,7 +68,7 @@
 .It Fl b
 Implies the
 .Fl n
-option but doesn't number blank lines.
+option, but doesn't number blank lines.
 .It Fl e
 Implies the
 .Fl v