Top level IDN domain names can not contain 02BC, nor 0027 or 2019.

(RFC 6912 gives the rationale and RZ-LGR the implementation, see MSR-3)

A./

On 1/18/2018 3:00 AM, Andre Schappo via Unicode wrote:


On 18 Jan 2018, at 08:21, Andre Schappo via Unicode <unicode@unicode.org> wrote:



On 16 Jan 2018, at 08:00, Richard Wordingham via Unicode <unicode@unicode.org> wrote:

On Mon, 15 Jan 2018 20:16:21 -0800
James Kass via Unicode <unicode@unicode.org> wrote:

It will probably be the ASCII apostrophe.  The stated intent favors
the apostrophe over diacritics or special characters to ensure that
the language can be input to computers with standard keyboards.

Typing U+0027 into a word processor takes planning.  Of the three, it
should obviously be the modifier letter U+02BC, but I think what gets
stored will be U+0027 or the single quotation mark U+2019.

However, we shouldn't overlook the diacritic mark U+0315 COMBINING COMMA
ABOVE RIGHT.

Richard.

I have just tested twitter hashtags and as one would expect, U+02BC does not break hashtags. See twitter.com/andreschappo/status/953903964722024448



André Schappo


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