From 49d04927952aa452200bdeb3afafdcc9c1847f49 Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Mon, 30 Mar 2015 11:57:34 -0700
Subject: [PATCH] tools: clarify a makefile construct

---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 872865508..4b3fb2625 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,8 @@
 # hledger project makefile
 
 # GHC-compiled executables require a locale (and not just C) or they
-# will die on encountering non-ascii data
+# will die on encountering non-ascii data.
+# Set LANG only if not already set
 export LANG?=en_US.UTF-8
 
 # command to run during "make prof" and "make heap"