例題
[P2600.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. P2600. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 PROCEDURE DIVISION. 000007 IF 13 = THEN 000008 DISPLAY "OK". 000009 END PROGRAM P2600.
P2600.cob 7: JMN2600I-S 条件中のオペランドに誤りがあります．
P2600.cob 7: JMN2557I-S IF文の書き方が不完全です．
