例題
[C3088.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3088. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 PROCEDURE DIVISION. 000006 IF 10 + 20 IS POSITIVE THEN 000007 DISPLAY "ERROR" 000008 END-IF 000008 END PROGRAM C3088.
C3088.cob 6: JMN3088I-S 正負条件の算術式は，少なくとも一つ以上の一意名を含まなければなりません．
