例題
[C1287.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C1287. 000003 ENVIRONMENT DIVISION. 000004 CONFIGURATION SECTION. 000005 SPECIAL-NAMES. 000006 ALPHABET 000007 HUGO1 IS NATIVE 000008 HUGO1 IS EBCDIC 000009 SYMBOLIC CHARACTERS 000010 A IS 1 IN HUGO1 000011 B IS 2 IN HUGO1. 000012 END PROGRAM C1287.
C1287.cob 9: JMN1287I-S SYMBOLIC CHARACTERS句に指定された符号系名が,多重定義です.