On Thu, Nov 5, 2015 at 9:25 AM, Philippe Verdy <[email protected]> wrote:
> (0xFF was reserved only in the old RFC version of UTF-8 when it allowed > code points up to 31 bits, but even this RFC is obsolete and should no > longer be used and it has never been approved by Unicode). > No, even in the original UTF-8 definition, "The octet values FE and FF never appear." https://tools.ietf.org/html/rfc2279 The highest lead byte was 0xFD. (For the "really original" version see http://www.unicode.org/L2/Historical/wg20-n193-fss-utf.pdf) In the current definition, "The octet values C0, C1, F5 to FF never appear." https://tools.ietf.org/html/rfc3629 = https://tools.ietf.org/html/std63 markus
