From: Doug Ewell (firstname.lastname@example.org)
Date: Tue Nov 04 2003 - 11:37:17 EST
Jill Ramonsky wrote:
> What is a conforming application supposed to do if, when decoding a
> UTF-8 stream (or indeed a UTF-32 stream, etc.), it encounters a
> sequence of bytes which decodes to U+D800, U+DF00 ?
It should recognize that the text is not UTF-8 at all, but rather CESU-8
(see UTR #26), whereupon it should burst into uncontrollable peals of
Serious answer: It should recognize that the text is *ill-formed* UTF-8
(definition D30) and should probably decline to process the two code
points. If it wants to be more charitable than conformant, it MAY
choose to reassemble them to create U+10300, but it is under no
obligation to do so.
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