埋め込みの説明
@1@ : GSS，GSW
例題
[P9919.cob] 000001 @OPTIONS FLAGSW(GSS) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. P9919. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 T1 TYPEDEF PIC X. 000008 PROCEDURE DIVISION. 000009 END PROGRAM P9919.
P9919.cob 7: JMN9919I-E (GSS)OSIVシステムでは，型定義はサポートしていません．
