埋め込みの説明
@1@ : 一意名の名標
例題
[C3074.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3074. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 01 A PIC XXXX. 000007 PROCEDURE DIVISION. 000008 P-START. 000009 COMPUTE A = ZERO. 000010 STOP RUN.
C3074.cob 9: JMN3074I-S COMPUTE文の受取り側'A'は，数字項目，数字編集項目またはブール項目でなければなりません．
