[Bug 15489] IDN email addresses should be converted to Punycode before validating them

https://www.w3.org/Bugs/Public/show_bug.cgi?id=15489

--- Comment #9 from Mathias Bynens <mathias@qiwi.be> 2012-01-12 11:51:12 UTC ---
(In reply to comment #8)
> Yeah, I also realize from discussion with Hixie on IRC that the IDN conversion
> applies to user input only, and not to the contents of the "value" attribute.

That would explain Opera’s behavior in the above test case; when focusing the
input field, the state changes to the “user input” state, so the email address
becomes valid.

> That is, IDN e-mail addresses in the value attribute are invalid per the spec,
> intentionally. For his rationale, see
> http://krijnhoetmer.nl/irc-logs/whatwg/20120112#l-312

> [08:08] <Hixie> what's the use case? the value in the database would be punycoded
> [08:09] <Hixie> since that's all the client will ever send to the server

Why is that? Because IDN email addresses are considered to be invalid?

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Received on Thursday, 12 January 2012 11:53:18 UTC