EXIT option syntax

1! NOEXIT
1 EXIT(
2.1+ 
2.1 INEXIT(?,)
2.1 NOINEXIT
2.1 LIBEXIT(?,)
2.1 NOLIBEXIT
2.1 PRTEXIT(?,)
2.1 NOPRTEXIT
2.1 ADEXIT(?,)
2.1 NOADEXIT
2.1 MSGEXIT(?,)
2.1 NOMSGEXIT
1)