Japanese Character Encoding for Internet Messages
K. Tamaru · 1997
This memo defines an encoding scheme for the Japanese Characters, describes "ISO-2022-JP-1", which is used in electronic mail , and network news [RFC 1036].Also this memo provides a listing of the Japanese Character Set that can be used in this encoding scheme. Requirements NotationThis document uses terms that appear in capital letters to indicate particular requirements of this specification.Those terms are "MUST", "SHOULD", "MUST NOT", "SHOULD NOT", and "MAY".The meaning of each term are found in [RFC-2119]