From 1c15e46208343b4e40bc4e7bf7ef8d707f752b20 Mon Sep 17 00:00:00 2001
From: DrTechDaddy <DrTechDaddy@gmail.com>
Date: Mon, 16 Jan 2017 15:46:38 -0500
Subject: [PATCH] midi2ly: replace unprintables with ~

---
 scripts/midi2ly.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/scripts/midi2ly.py b/scripts/midi2ly.py
index d1fd1ab916..9c490a5f2c 100644
--- a/scripts/midi2ly.py
+++ b/scripts/midi2ly.py
@@ -386,10 +386,17 @@ class Text:
         'PROGRAM_NAME',
         'DEVICE_NAME', )
 
+    @staticmethod
+    def _text_only(chr):
+        if ((' ' <= chr <= '~') or chr in ['\n','\r']):
+            return chr
+        else: 
+            return '~'
+
     def __init__ (self, type, text):
         self.clocks = 0
         self.type = type
-        self.text = text
+        self.text =''.join(map(self._text_only, text))
 
     def dump (self):
         # urg, we should be sure that we're in a lyrics staff
-- 
2.39.2