[Bug 28263] [webvtt] "valid" language tags [I18N-ISSUE-429]

https://www.w3.org/Bugs/Public/show_bug.cgi?id=28263

Addison Phillips <addison@lab126.com> changed:

           What    |Removed                     |Added
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                 CC|                            |addison@lab126.com,
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--- Comment #2 from Addison Phillips <addison@lab126.com> ---
(In reply to Philip Jägenstedt from comment #1)
> Yep, this is intentional, and it matches the language for the lang attribute
> in HTML:
> https://html.spec.whatwg.org/#the-lang-and-xml:lang-attributes

Okay, although I generally give a health warning for implementers when it says
the tag must be Valid. The 2119 keyword "must" and the bcp47 keyword "valid"
impose a specific burden that implies, among other things, some sort of failure
mode for well-formed but invalid tags. I suspect that HTML even means
"well-formed"... but I'm perfectly happy with validity checks.

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Received on Tuesday, 24 March 2015 01:08:54 UTC