rfc-2044
UTF-8, a transformation format of Unicode and ISO 10646
The Unicode Standard, version 1.1, and ISO/IEC 10646-1:1993 jointly define a 16 bit character set which encompasses most of the world's writing systems. UTF-8, the object of this memo, has the characteristic of preserving the full US-ASCII range. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
obsoleted by
- rfc-2279 — UTF-8, a transformation format of ISO 10646