1 files changed, 1 insertions, 0 deletions
diff --git a/utils.py b/utils.py
index 4d4b583..e62c446 100644
--- a/utils.py
+++ b/utils.py
@@ -1,6 +1,7 @@
 import re
 import os
 
+PRINTINGCHARS = "\t\n\r"+"".join(map(chr,range(32, 127)))
 ALLCHARS = "".join(map(chr,range(256)))
 RE_LONE_AMP = re.compile(r'&([^a-z0-9])')
 RE_LONE_I = re.compile(r'\\i([^a-z0-9])')