{TAIL ~ The automatic generator} includes a specification tool for specifying a set of block descriptions representative of {HEAD ~ specified portions} of a database 
{ TAIL ~ The automatic generator } includes a specification tool for specifying a set of block descriptions representative of { HEAD ~ specified portions } of a database
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH