埋め込みの説明
@1@ : 一意名
例題
[C3399.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3399. 000003 DATA DIVISION. 000004 BASED-STORAGE SECTION. 000005 01 REC-1 BASED ON PT. 000006 02 KEY-REC PIC XX. 000007 02 FILLER PIC X(78). 000008 WORKING-STORAGE SECTION. 000009 01 PT POINTER. 000010 PROCEDURE DIVISION. 000011 DISPLAY REC-1 UPON CRT. 000012 END PROGRAM C3399.
C3399.cob 11: JMN3399I-S DISPLAY文の'REC-1'は作業場所節で定義されていなければなりません．
