--On 2002-02-11 21.13 +0000 "D. J. Bernstein" <djb@cr.yp.to> wrote: > Nobody has given a coherent > explanation of _why_ IDNA needs to do certain mappings and not others. Because we do comparison of Unicode strings. See http://www.unicode.org/unicode/faq/normalization.html I.e. not our choice (more than choosing to use Unicode). paf