The invention provides a user of information access programs to automatically be informed of {HEAD ~ changes} in {TAIL ~ information files} when the maintainer of the information file determines that a sufficient change has been made to the file 
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The invention provides a user of information access programs to automatically be informed of { HEAD ~ changes } in { TAIL ~ information files } when the maintainer of the information file determines that a sufficient change has been made to the file
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH