埋め込みの説明
@1@ : SIA，STD
@2@ : N，1，E
例題
[C9115.cob] 000001 @OPTIONS FLAGSW(STDH) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. C9115. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 REC01 PIC N(5). 000008 PROCEDURE DIVISION. 000009 P-START. 000010 STOP RUN.
C9115.cob 7: JMN9115I-W (STD)PICTURE句の文字Nは共通範囲外です．処理を続行します．
