埋め込みの説明
@1@ : ALPHABETIC,ALPHABETIC-LOWER,ALPHABETIC-UPPER
@2@ : 一意名の名標
例題
[C3083.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C3083. 000003 ENVIRONMENT DIVISION. 000004 DATA DIVISION. 000005 WORKING-STORAGE SECTION. 000006 01 A PIC 9(4). 000007 PROCEDURE DIVISION. 000008 P-START. 000009 IF A IS ALPHABETIC STOP RUN.
C3083.cob 9: JMN3083I-S 字類条件のALPHABETIC検査で，'A'は，集団項目，英字項目，英数字項目，英数字編集項目または数字編集項目のいずれかでなければなりません．
