From 3576754c217c643d9b66cba0e91d858ada5781bf Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Wed, 5 Apr 2017 20:54:53 +0800
Subject: [PATCH] fix https://github.com/Neilpang/acme.sh/issues/549

---
 acme.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/acme.sh b/acme.sh
index 850ac4b..b6b0c84 100755
--- a/acme.sh
+++ b/acme.sh
@@ -107,7 +107,7 @@ __green() {
   if [ "$__INTERACTIVE" ]; then
     printf '\033[1;31;32m'
   fi
-  printf -- "$1"
+  printf -- "%b" "$1"
   if [ "$__INTERACTIVE" ]; then
     printf '\033[0m'
   fi
@@ -117,7 +117,7 @@ __red() {
   if [ "$__INTERACTIVE" ]; then
     printf '\033[1;31;40m'
   fi
-  printf -- "$1"
+  printf -- "%b" "$1"
   if [ "$__INTERACTIVE" ]; then
     printf '\033[0m'
   fi