As shown in the preceding figure, the keywords you can use are:
ABBR
Specifies an alternative form of an existing reserved word
INFO
Specifies words that are to be flagged with an informational message
whenever they are used in a program and the FLAGSTD compiler
option is in effect
RSTR
Specifies words that are to be flagged with an error message whenever
they are used in a program
All words that you identify with the control statement keywords
INFO and RSTR are flagged with a message in the source listing of
the Enterprise COBOL program that uses
them. Words that are abbreviated are not flagged in the source listing
unless you have also specified them on the INFO or RSTR control statements.