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[Bug 14021] Define "represent the same language". Do these language tags represent same languages? en vs EN, zh-min-nan vs nan, zh-TW vs zh-Hant-TW

From: <bugzilla@jessica.w3.org>
Date: Sun, 04 Sep 2011 10:58:27 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1R0APD-0005tf-Ui@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=14021

Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no> changed:

           What    |Removed                     |Added
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                 CC|                            |xn--mlform-iua@xn--mlform-i
                   |                            |ua.no

--- Comment #1 from Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no> 2011-09-04 10:58:27 UTC ---
(In reply to comment #0)

> Do these language tags represent same
> languages? en vs EN, zh-min-nan vs nan, zh-TW vs zh-Hant-TW 

According to the spec, the @srclang value "must be a valid BCP 47 language
tag". 

See bug 13393 (which states that, for a Polyglot document, the following should
be conforming - despite Polyglot Markup's preoccupation with equal DOM:

    <foo lang="en-us" xml:lang="EN-US" >color</foo>

Formally, since the spec points to BCP 47, it should already be clear. But if
it is necessary to underline that srclang='en-US' and srclang='EN-US'  (and
other casing variants) are equal (as they are), then the spec should underline
the same issue for the @lang and xml:@lang attributes too.

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Received on Sunday, 4 September 2011 10:58:29 UTC

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