埋め込みの説明
@1@ : STD
例題
[C9017.cob] 000001 @OPTIONS FLAGSW(STDH) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. C9017. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 REC01. 000008 02 REC02 PIC X VALUE X"0A". 000009 02 REC03 PIC X. 000010 PROCEDURE DIVISION. 000011 P-START. 000012 MOVE X"0C" TO REC03. 000013 STOP RUN
C9017.cob 12: JMN9017I-W (STD)16進文字定数は共通範囲外です．処理を続行します．
