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 This utility works in conjunction with the $COMPAR1 utility (which specifies)
 the "OLD" dataset to compare 2 datasets that are listed on the ISPF option 3.4
 screen (DATA SET LIST UTILITY).  Just type $COMPAR2 on the line of the dataset
 that is the "NEW" dataset to be compared and press ENTER.  You will  be taken
 to the SUPERC compare utility screen.  The "OLD" dataset will be the dataset
 set by the $COMPAR1 utility, and the "NEW" dataset will be the data  set that
 $COMPAR2 was typed next to.