埋め込みの説明
@1@ : 一意名の名標,数字定数
例題
[C3081.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3081. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 01 A PIC S9(4)V9 BINARY. 000007 01 B. 000008 02 C OCCURS 10 TIMES INDEXED BY IX. 000009 03 D PIC XX. 000010 PROCEDURE DIVISION. 000011 P-START. 000012 IF A = IX STOP RUN.
C3081.cob 12: JMN3081I-S 指標比較で，'A'は整数でなければなりません．
