diff --git a/Lib/difflib.py b/Lib/difflib.py
index 0637cff..b09348f 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -20,7 +20,7 @@
 """
 
 __all__ = ['get_close_matches', 'ndiff', 'restore', 'SequenceMatcher',
-           'Differ']
+           'Differ','IS_CHARACTER_JUNK', 'IS_LINE_JUNK']
 
 class SequenceMatcher: