埋め込みの説明
@1@ : STD
例題
[P9181.cob] 000001 @OPTIONS FLAGSW(STDM) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. P9181. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 REC01. 000008 02 REC02 PIC X. 000009 88 REC03 VALUE "A". 000010 PROCEDURE DIVISION. 000011 P-START. 000012 SET REC03 TO TRUE. 000013 STOP RUN.
P9181.cob 9: JMN9019I-W (STD)レベル番号88は共通範囲外です．処理を続行します．
P9181.cob 12: JMN9181I-W (STD)SET文中のTO TRUE句は共通範囲外です．処理を続行します．
