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UTF-9 and UTF-18

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This is an old revision of this page, as edited by Plugwash (talk | contribs) at 21:04, 7 October 2005 (merged from UTF-9 and UTF-18 to make new article (saving as work in progress so there is something for people to see will be continuing to expand)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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UTF-9 (9-bit Unicode Transformation Format) and UTF-18 (9-bit Unicode Transformation Format) are two specifications for encoding unicode on systems where the nonet (nine bit group) is a better fit for the native word size than the octet such as the PDP-10. Both encodings were specified in RFC 4042 which was released on april 1st]] 2005. The encodings suffer from a number of flaws and it is reasonable to assume that they were intended as a joke. However unlike some of the "specifications" given in other April 1st RFCs they are actually techincally possible to implement.



  • RFC 4042: UTF-9 and UTF-18 Efficient Transformation Formats of Unicode
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