[src/trunk]: src/bin/sh Merge duplicate information.

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

details:   https://anonhg.NetBSD.org/src/rev/508a77b04600
branches:  trunk
changeset: 770140:508a77b04600
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Oct 05 13:15:30 2011 +0000

description:
Merge duplicate information.

diffstat:

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

diffs (30 lines):

diff -r b299dad8b235 -r 508a77b04600 bin/sh/sh.1
--- a/bin/sh/sh.1       Wed Oct 05 13:05:49 2011 +0000
+++ b/bin/sh/sh.1       Wed Oct 05 13:15:30 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sh.1,v 1.105 2011/10/04 18:11:27 apb Exp $
+.\"    $NetBSD: sh.1,v 1.106 2011/10/05 13:15:30 christos Exp $
 .\" Copyright (c) 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
 .\"
@@ -967,8 +967,8 @@
 following formats.
 If the
 .Dq Dv \&:
-is omitted in the modifiers, then the expansion is applied only to unset
-parameters, not null ones.
+is omitted in the following modifiers, then the expansion is applied only
+to unset parameters, not null ones.
 .Bl -tag -width aaparameterwordaaaaa
 .It ${parameter:-word}
 Use Default Values.
@@ -994,9 +994,6 @@
 substituted; otherwise, the expansion of word is substituted.
 .El
 .Pp
-In the parameter expansions shown previously, use of the colon in the
-format results in a test for a parameter that is unset or null; omission
-of the colon results in a test for a parameter that is only unset.
 .Bl -tag -width aaparameterwordaaaaa
 .It ${#parameter}
 String Length.