diff --git a/pyotlss.py b/pyotlss.py
index c1a5374c1..91fe663de 100755
--- a/pyotlss.py
+++ b/pyotlss.py
@@ -1007,6 +1007,7 @@ options_default = {
 # TODO Text script / language considerations
 # TODO Drop unknown tables?  Using DefaultTable.prune?
 # TODO Drop GPOS Device records if not hinting?
+# TODO subset_unicode values in cmap
 
 
 def main ():