EDIFACT-ISO-9735-1
The bottom layer of EDIFACT — service characters and envelope structure.
Definition
ISO 9735-1 (2002 edition) defines character sets UNOA (60 chars), UNOB (IBM-like), UNOC (ISO 8859-1), UNOD through UNOH (other ISO 8859), UNOI (multilingual), the default service characters (":+.? "), and repetition rules.
Origin
First edition 1988, updated 1998, 2002. Published by ISO/TC 154 (Processes, data elements and documents in commerce, industry and administration).
Example in context
The UNOC character set allows ISO 8859-1 characters — useful for French, German or Spanish accented characters.