[Bug 14709] lang tag validation is insufficiently specified

http://www.w3.org/Bugs/Public/show_bug.cgi?id=14709

--- Comment #1 from John Daggett <jdaggett@mozilla.com> 2011-11-06 20:10:10 UTC ---
Another way to look at this problem is "should ISO 639-3 (three-letter) codes
be allowed when the BCP47 tag for a given language is the two-letter ISO 639-1
code?"

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Received on Sunday, 6 November 2011 20:10:16 UTC