埋め込みの説明
@1@ : 一意名の名標
例題
[C3072.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3072. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 01 A PIC 9(4). 000007 01 B PIC 1111. 000008 01 C PIC 1111. 000009 PROCEDURE DIVISION. 000010 P-START. 000011 COMPUTE A = B AND C. 000012 STOP RUN.
C3072.cob 11: JMN3072I-S COMPUTE文の右辺がブール式の場合，受取り側'A'はブール項目でなければなりません．
