Final Sigma (was: RE: Esszett, Final Sigma, ZWJ and ZWNJ)

JFC Morfin jefsey at
Mon Mar 2 14:30:00 CET 2009

2009/3/1 Erik van der Poel <erikv at>

> Eszett, ZWJ and ZWNJ should not be
> placed in the xn-- space. They should receive a different prefix. The
> local mappers should try both (e.g. Eszett with new prefix, and ss
> with or without xn--, depending on the rest of the string).

And what if you have Eszett and ZWJ in the same label?

And if the French really want to distinguish ecole and Ecole, they
> will not only need a different prefix, but also something other than
> Punycode (as far as I can tell).


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