{HEAD ~ The system} also includes {TAIL ~ a notification message receiver mechanism} that receives a notification message that provides notice that the information file that corresponds to the information file specification has sufficiently changed 
includes
{ HEAD ~ The system } also includes { TAIL ~ a notification message receiver mechanism } that receives a notification message that provides notice that the information file that corresponds to the information file specification has sufficiently changed
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH