埋め込みの説明
@1@ : データ項目
例題
[C3354.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3354. 000003 DATA DIVISION. 000004 WORKING-STORAGE SECTION. 000005 01 LN PIC S9(2) BINARY. 000006 SCREEN SECTION. 000007 01 A. 000008 02 B VALUE "TEST-1". 000009 PROCEDURE DIVISION. 000010 DISPLAY A 000011 AT LINE NUMBER LN. 000012 END PROGRAM C3354.
C3354.cob 10: JMN3354I-S 'LN'は,符号なし整数項目でなければなりません.