IDN and language

[John Cowan]

John C Klensin scripsit:

> Returning to the DNS/IDN situation, ICANN has created a
> recommendation for all TLDs, and a requirement on at least some
> gTLDs, that languages not be mixed within a label and for
> registration and use of tables similar to those recommended by
> RFC 3743.  

This regulation is going to be completely unenforceable, since with a
few exceptions (hexagonal French), languages do not have bright-line
rules saying what words they do and do not contain.  Are we to be in
the position of saying that eigenvector.com may be registered (and is)
because the word appears in dictionaries, whereas eigenevent.com is
ruled out because it "mixes" English and German?

Forbidding the mixing of scripts is another matter, although in fact
some languages are written using more than one (Unicode) script.

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