[Bug 15254] Don't forbid underscore in host names in URLs

https://www.w3.org/Bugs/Public/show_bug.cgi?id=15254

Marat Tanalin | tanalin.com <mtanalin@yandex.ru> changed:

           What    |Removed                     |Added
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                 CC|                            |mtanalin@yandex.ru

--- Comment #1 from Marat Tanalin | tanalin.com <mtanalin@yandex.ru> 2011-12-17 13:52:04 UTC ---
Maybe underscore character should at least be allowed in _sub_domain names
(foo_bar.example.com) since such subdomains, indeed, do work in real world.

Domain registrators usually do not allow to use underscore in second-level
domains (foo_bar.com), but _sub_domains are _not_ subject for this restriction
since they are created by second-level-domain _owner_ (which includes
transparent internal redirection by web-server on the fly without even
assigning DNS-record to each subdomain severally), not registrator at all.

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Received on Saturday, 17 December 2011 13:52:09 UTC