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I18N-ISSUE-400: collation lang processing should refer to BCP47 ⓟ

From: Internationalization Working Group Issue Tracker <sysbot+tracker@w3.org>
Date: Tue, 16 Dec 2014 16:21:00 +0000
Message-Id: <E1Y0urs-0005zs-QT@shauna.w3.org>
To: public-i18n-core@w3.org
I18N-ISSUE-400: collation lang processing should refer to BCP47 ⓟ

http://www.w3.org/International/track/issues/400

Raised by: Addison Phillips
On product: 

In Section 13.1.3 I find:

--
The lang attribute indicates that a collation suitable for a particular natural language should be used. The effective value of the attribute must either be a string in the value space of xs:language, or a zero-length string. Supplying the zero-length string has the same effect as omitting the attribute. If a language is requested that is not supported, the processor may use a fallback language identified by removing successive hyphen-separated suffixes from the supplied value until a supported language code is obtained; failing this, the processor behaves as if the lang attribute were omitted.
--

This describes a fallback that is identical to RFC4647 Basic Filtering [1] used in BCP47. However, no reference is provided to BCP47.

I'd suggest explicitly referencing BCP47 here and specifying fallback by reference.

[1] http://tools.ietf.org/html/bcp47#section-3.3.1
Received on Tuesday, 16 December 2014 16:21:01 UTC

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