The PLIRETC built-in subroutine will now accept a FIXED BIN(31) argument and does not require the value to be <= 999.
Correspondingly, the PLIRETV built-in function will now return a FIXED BIN(31) value.
The Language Environment run-time adds 3000 to the user return code for severity 3 conditions, and Language Environment classifies all PL/I conditions as severity 3 except: