From 748ae1c86e67df5be672dee7fa3b2fdc91b1e53b Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Wed, 01 Aug 2012 04:38:05 -0400
Subject: Prevent double execution/inclusion.

---
diff --git a/lib/changelog.sh b/lib/changelog.sh
index 327cc2d..53cca58 100644
--- a/lib/changelog.sh
+++ b/lib/changelog.sh
@@ -19,6 +19,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+[ -n "${_OH_CHANGELOG_SH}" ] && return 0
+_OH_CHANGELOG_SH=true
+
 . @@LIBDIR@@/messages
 
 # Constant global parameters:
diff --git a/lib/locale.sh b/lib/locale.sh
index 8479c85..d30a684 100644
--- a/lib/locale.sh
+++ b/lib/locale.sh
@@ -19,6 +19,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+[ -n "${_OH_LOCALE_SH}" ] && return 0
+_OH_LOCALE_SH=true
+
 oh_locale_set()
 {
 	_locale="${1}"
diff --git a/lib/messages.sh b/lib/messages.sh
index b2d3a2a..7710b00 100644
--- a/lib/messages.sh
+++ b/lib/messages.sh
@@ -19,6 +19,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+[ -n "${_OH_MESSAGES_SH}" ] && return 0
+_OH_MESSAGES_SH=true
+
 # TODO: Which of these should print to the standard error stream – just
 # oh_error() and oh_warn()?
 
--
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