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From: Devin Teske <dteske@FreeBSD.org>
Date: Tue, 27 Nov 2012 22:14:23 +0000 (UTC)
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Subject: svn commit: r243636 - head/usr.sbin/bsdconfig/share
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Author: dteske
Date: Tue Nov 27 22:14:22 2012
New Revision: 243636
URL: http://svnweb.freebsd.org/changeset/base/243636

Log:
  Allow setting of NULL titles with f_dialog_[back]title().
  
  Approved by:	adrian (co-mentor) (implicit)

Modified:
  head/usr.sbin/bsdconfig/share/dialog.subr

Modified: head/usr.sbin/bsdconfig/share/dialog.subr
==============================================================================
--- head/usr.sbin/bsdconfig/share/dialog.subr	Tue Nov 27 22:11:53 2012	(r243635)
+++ head/usr.sbin/bsdconfig/share/dialog.subr	Tue Nov 27 22:14:22 2012	(r243636)
@@ -92,7 +92,7 @@ f_dialog_title()
 {
 	local new_title="$1"
 
-	if [ "$new_title" ]; then
+	if [ "${1+set}" ]; then
 		if [ "$USE_XDIALOG" ]; then
 			_DIALOG_BACKTITLE="$DIALOG_BACKTITLE"
 			DIALOG_BACKTITLE="$new_title"
@@ -133,7 +133,7 @@ f_dialog_backtitle()
 {
 	local new_backtitle="$1"
 
-	if [ "$new_backtitle" ]; then
+	if [ "${1+set}" ]; then
 		if [ "$USE_XDIALOG" ]; then
 			_DIALOG_TITLE="$DIALOG_TITLE"
 			DIALOG_TITLE="$new_backtitle"