From 2ec8ae840f87dee29eba81e2d3abd282b422dff2 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Sat, 16 Mar 2019 23:03:57 -0400
Subject: _ob_load_internal_text_domain(): More safely check if LC_MESSAGES etc. are set

---
diff --git a/lib/locale.sh b/lib/locale.sh
index 591e346..8c4e46d 100644
--- a/lib/locale.sh
+++ b/lib/locale.sh
@@ -134,10 +134,10 @@ _ob_get_msg()
 _ob_load_internal_text_domain()
 {
 	# Make sure LC_MESSAGES is set.
-	if [ -z "${LC_MESSAGES}" ]; then
-		if [ -n "${LC_ALL}" ]; then
+	if [ x"${LC_MESSAGES:+set}" != x'set' ]; then
+		if [ x"${LC_ALL:+set}" = x'set' ]; then
 			LC_MESSAGES="${LC_ALL}"
-		elif [ -n "${LANG}" ]; then
+		elif [ x"${LANG:+set}" = x'set' ]; then
 			LC_MESSAGES="${LANG}"
 		else
 			LC_MESSAGES="${_OB_DEFAULT_LOCALE}"
--
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