Index: Messages/Unhandled.conf
===================================================================
diff -u -r9c5500905c465b8d0e8fcf06238b433218d2f370 -r031ac493ce8214e599dbc0d06ce795c9b4033a93
--- Messages/Unhandled.conf	(.../Unhandled.conf)	(revision 9c5500905c465b8d0e8fcf06238b433218d2f370)
+++ Messages/Unhandled.conf	(.../Unhandled.conf)	(revision 031ac493ce8214e599dbc0d06ce795c9b4033a93)
@@ -26,6 +26,9 @@
 
 ### HD Messages ###
 
+# this attribute enables duplicate key from this line moving forward.
+#--duplicate_key_on
+
 [0x0A00]
 HD_RTC_Epoch_Data
 U32=Epoch