A
The following variants are defined
ARMSCII-7 defined in AST 34.005 is an 7-bit encoding, not containing latin characters.ARMSCII-8 defined in AST 34.002 is an 8 bit encoding and a superset of ASCII.
ARMSCII-8a defined in AST 34.002 is an alternate 8 bit encoding and also a superset of ASCII.
ARMSCII-8 is intended for use on Unix and Windows systems, and for information interchange on the WWW and by email.
ARMSCII-8a is intended for use on DOS and Mac systems.
