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Validator and Internationalised Domain Names

From: Alexandre Alapetite <alexandre@alapetite.net>
Date: Mon, 26 Mar 2007 00:52:34 +0200
Message-ID: <42a8e2e00703251552m4d73748albb1ccdb6130212d1@mail.gmail.com>
To: www-validator@w3.org

The W3C Markup Validation Service apparently does not accept
Internationalised Domain Names in its URL field.

It returns an error 500 "Bad hostname" and a message "Sorry! This
document can not be checked".

Currently, the validator transforms the domain part of an URL in
Unicode UTF-8, while the correct transformation of the domain is in
punycode (RFC 3492).

You can find some examples of such Internationalised DNS here:
(My test was with some French characters with accents such as '' in a

Another reference of interest:
"An Introduction to Multilingual Web Addresses"

All modern browsers I tested (Opera, Mozilla, Mozilla Firefox,
Internet Explorer, etc.) support this in their current version.

All the best,
Received on Sunday, 25 March 2007 22:52:37 UTC

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