埋め込みの説明
@1@ : STD
例題
[C9022.cob] 000001 @OPTIONS FLAGSW(STDM) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. C9022. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 OUT-REC. 000008 02 RECO1 PIC X. 000009 PROCEDURE DIVISION. 000010 P-START. 000011 MOVE "0" TO RECO1 OF OUT-REC. 000012 STOP RUN.
C9022.cob 11: JMN9022I-W (STD)データ名のOF/IN修飾は共通範囲外です．処理を続行します．
