I think the current plan is to point to BCP 47, since RFC 4646 is "soon" to be replaced by its successor [1].
[1] http://lists.w3.org/Archives/Public/public-html/2008Jan/0298.html On Fri, Apr 3, 2009 at 9:30 AM, Alex Bishop <[email protected]> wrote: > In several places in HTML5 (specifically, sections 3.3.3.3, 4.2.5.3 and > 5.11.1), the specification states that certain attribute values must be > valid RFC 3066 language codes. > > However, RFC 3066 was replaced by RFC 4646 (and RFC 4647) in September 2006. > > Is there a reason that HTML5 refers to the older standard or is this just an > oversight? -- Masataka Yakura <[email protected]>
