diff --git a/TODO b/TODO
index 3eb0e55..2eaa85b 100644
--- a/TODO
+++ b/TODO
@@ -20,6 +20,8 @@ Bugs to fix and Features to add before a 4.2 release
 
    It should probably call $(MAKE) orig-tar-gz
 
+* Should check all integer expection options on other characters than digits.
+
 Maybe for a 4.3 or 5.0 release
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