埋め込みの説明
@1@ : LINAGE-COUNTER，LINE-COUNTER，PAGE-COUTER，DEBUG-ITEM，EDIT-OPTION2またはEDIT-OPTION3．
例題
[P2713.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. P2713. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 PROCEDURE DIVISION. 000007 DISPLAY DEBUG-ITEM. 000008 END PROGRAM P2713.
P2713.cob 7: JMN2713I-S 特殊レジスタ'DEBUG-ITEM'は指定できません．
P2713.cob 7: JMN2557I-S DISPLAY文の書き方が不完全です．
