Example: Some other uses of AUTOMATIC:
AUTOMATIC A, B, C REAL P, D, Q AUTOMATIC P, D, Q IMPLICIT AUTOMATIC (X-Z)
Example: Structures are unpredictable if AUTOMATIC:
demo% cat autostru.f AUTOMATIC X STRUCTURE /ABC/ INTEGER I END STRUCTURE RECORD /ABC/ X X is automatic. It cannot be a structure. X.I = 1 PRINT '(I2)', X.I END demo% f77 -silent autostru.f demo% a.out *** TERMINATING a.out *** Received signal 10 (SIGBUS) Bus Error (core dumped) demo%