埋め込みの説明
@1@ : 符号系名
例題
[C1242.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. C1242. 000003 ENVIRONMENT DIVISION. 000004 CONFIGURATION SECTION. 000005 SPECIAL-NAMES. 000006 ALPHABET ALP01 IS "A" THRU "Z" 000007 "a" THRU "z" 000008 SYMBOLIC CHARACTERS 000009 TAB IS 10 IN ALP. 000010 END PROGRAM C1242.
C1242.cob 8: JMN1242I-S SYMBOLIC CHARACTERS句の符号系名'ALP'が未定義です．
