Mappings
Gervase Markham
gerv at mozilla.org
Fri Mar 7 15:59:11 CET 2008
John C Klensin wrote:
> Partially because the prohibition in 3490 on display of punycode
> didn't work (some browser vendors now view display of punycode
> in varying circumstances as a feature)
"A feature" is a bit strong; "the least worst thing to do" is probably
better. When displaying the decoded version would lead to risk to the
user, and displaying nothing is not an option, the punycode version at
least has the significant advantages that it's a) always readable and b)
unique to that domain.
Ideally, Firefox would never display punycode in normal browsing,
because all registries would have homograph policies and would have
registered for the whitelist. I admit it does continue to surprise me
that various large GTLDs have not attempted to register. But I guess
that's their business decision.
Gerv
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