- From: MURATA Makoto <murata@apsdc.ksp.fujixerox.co.jp>
- Date: Wed, 01 Jul 1998 13:58:23 +0900
- To: ietf-charsets@ISI.EDU
Erik, Thanks for your comment. Here is a revised version. Makoto -------------------------------------------------------------------- We propose to register UTF-16 as a charset in IANA. UTF-16 generators MUST send in big-endian byte order and MUST begin with the zero width non breaking space (also called Byte Order Mark or BOM) (0xFEFF). NOTE: Some implementations that do not conform to this specification have occasionally sent data in little-endian byte order. When they do this, they commonly precede the data with the BOM. Thus, a UTF-16 parser encountering the code 0xFFFE as the first character of a purported UTF-16 stream may safely assume that he has encountered a nonconformant data source. There is no way to 100% reliably detect little-endian data that does not use the BOM. This character set is not permitted for use with MIME text/* media types. However, the MIME-like mechanism of HTTP may use this character set for text/*, since this mechanism is exempt from the restrictions on the text top-level type (see section 19.4.1 of HTTP 1.1 [RFC-2068]). [RFC-2068] R. Fielding, J. Gettys, J. Mogul, H. Frystyk, T. Berners-Lee. "Hypertext Transfer Protocol -- HTTP/1.1" UC Irvine, DEC, MIT/LCS. RFC 2068. January, 1997. Charset name(s): UTF-16 Published specification(s): UTF-16 as a Character Encoding Scheme is defined in Appendix C.3 of [UNICODE] and Amendment 1 of [ISO-10646]. The Coded Character Set that UTF-16 refers to is the same version of ISO/IEC 10646-1 and Unicode that the charset "UTF-8" refers to. [ISO-10646] ISO/IEC, Information Technology - Universal Multiple-Octet Coded Character Set (UCS) - Part 1: Architecture and Basic Multilingual Plane, May 1993. [UNICODE] The Unicode Consortium, "The Unicode Standard -- Version 2.0", Addison-Wesley, 1996. [RFC-2279] F. Yergeau, "UTF-8, a transformation format of ISO 10646", January 1998. Person & email address to contact for further information: Tatsuo L. Kobayashi Digital Culture Research Center, JUSTSYSTEM Corp. Email: Tatsuo_Kobayashi@justsystem.co.jp Murata Makoto (Family Given) Fuji Xerox Information Systems, KSP 9A7, 2-1 Sakado 3-chome, Takatsu-ku, Kawasaki-shi, 213 Japan Email: murata@fxis.fujixerox.co.jp --Boundary (ID uEbHHWxWEwCKT9wM3evJ5w)
Received on Wednesday, 1 July 1998 00:54:29 UTC