[1] 変域がオクテット列の集合であり、 値域が文字レパートリ中の文字列の集合である関数 。 すなわち、オクテット列と文字符号化方式が文字列を決定する。 (RFC1866, ISO‐HTML <http://purl.org/NET/ISO+IEC.15445/15445.html#DEFS> 4.3 参照。)
A character encoding scheme (CES) is a character encoding form plus byte serialization. There are many character encoding schemes in Unicode, such as UTF-8 and UTF-16. <UNICODE>
Some CESs are associated with a single CCS; for example, UTF-8 [RFC2279] applies only to ISO/IEC 10646. Other CESs, such as ISO 2022, are associated with many CCSs.
[4] RFC 6365 - Terminology Used in Internationalization in the IETF ( 版) <http://tools.ietf.org/html/rfc6365#page-8>
[6] Character Model for the World Wide Web 1.0: Fundamentals ( ( 版)) <http://www.w3.org/TR/charmod/#def-CES>