埋め込みの説明
@1@ : COUNT,POINTER,TALLYING
@2@ : 一意名の名標
例題
[C3097.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3097. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 01 A PIC X(10). 000007 01 B PIC XX. 000008 01 C PIC X(4). 000009 01 D PIC 9(3)V9 BINARY. 000010 PROCEDURE DIVISION. 000011 P-START. 000012 UNSTRING A DELIMITED BY B INTO C POINTER D. 000013 STOP RUN.
C3097.cob 12: JMN3097I-S UNSTRING文のPOINTER指定の一意名'D'は，整数項目でなければなりません．
