RFC 2978:IANA Charset Registration Procedures
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CES


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... A Character Encoding Scheme (CES) is a mapping from a Coded Character Set or several coded character sets to a set of octet sequences. A ...
... Character Set or several coded character sets to a set of octet sequences. A given CES is sometimes associated with a single CCS; for example, UTF-8 ...


... charsets which are constructed as a composition of one or more CCS's and a CES MUST either include the CCS's and CES they are based ...
... CCS's and a CES MUST either include the CCS's and CES they are based on in their registration or else cite a definition of their CCS ...
... registration or else cite a definition of their CCS's and CES that appears elsewhere. ...


... charset is defined as a composition of one or more CCS's and a CES then these definitions MUST either be included or referenced.) ...



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