RECORD CONTAINS n CHARACTERS
The definition of RECORD CONTAINS n CHARACTERS affects existing programs.
Its behavior is different under CMPR2 and NOCMPR2.
Consider the following example:
FD FILE1
RECORD CONTAINS 40.
01 F1R1 PIC X(20).
01 F1R2 PIC X(40).
FD FILE2
RECORD CONTAINS 20 TO 40.
01 F2R1 PIC X(20).
01 F2R2 PIC X(40).