[src/trunk]: src/bin/expr Add some articles.

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

details:   https://anonhg.NetBSD.org/src/rev/fb3f7262e35e
branches:  trunk
changeset: 556593:fb3f7262e35e
user:      wiz <wiz%NetBSD.org@localhost>
date:      Sun Dec 21 11:18:25 2003 +0000

description:
Add some articles.

diffstat:

 bin/expr/expr.1 |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (31 lines):

diff -r e02e81f379e9 -r fb3f7262e35e bin/expr/expr.1
--- a/bin/expr/expr.1   Sun Dec 21 11:16:23 2003 +0000
+++ b/bin/expr/expr.1   Sun Dec 21 11:18:25 2003 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: expr.1,v 1.24 2003/12/21 10:02:46 jdolecek Exp $
+.\"    $NetBSD: expr.1,v 1.25 2003/12/21 11:18:25 wiz Exp $
 .\"
 .\" Copyright (c) 2000,2003 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -173,16 +173,16 @@
 .An Jaromir Dolecek
 .Aq jdolecek%NetBSD.org@localhost .
 .Sh NOTES
-Empty string
+The empty string
 .Dq
-cannot be matched with intuitive:
+cannot be matched with the intuitive:
 .Bd -literal -offset indent
 expr '' : '$'
 .Ed
 .Pp
-The reason is the returned number of matched characters (zero)
-is indistinguishable from failed match, so this returns failure.
-To match empty string, use something like:
+The reason is that the returned number of matched characters (zero)
+is indistinguishable from a failed match, so this returns failure.
+To match the empty string, use something like:
 .Bd -literal -offset indent
 expr x'' : 'x$'
 .Ed