add db_errlcode keyword in dmconfig.ini of client site

English: DB_ERRLCODE = EN.ASCII

Simplified Chinese: DB_ERRLCODE = ZH_CN.GBK

Traditional Chinese: DB_ERRLCODE = ZH_TW.BIG5

The client connection will check DB_ERRLCODE setting and correct error message locale return DB_ERRLCODE=<string> this keyword is used to set client's error message character set. In multilingual database, client side can set their own output locale codes of error message.

Error table is put in dbmaker/5.1/shared/locale/locale.lang/ directory.

The value of the keyword can be the combination of the local definition and the character set.

User can use the command SELECT GETSYSINFO ('ERRLCODE') to return the error message character set of the client side.

Version: DBMaker 5.1

Product: Normal, Bundle

Platform: Linux, Windows