Re: [xml-dev] Postel's law, exceptions

Bob Wyman wrote:

>    In other mail, it has been pointed out that the ISO 
>language codes include "mul" (multiple) and "und" 
>(undetermined). Thus, what I was suggesting in my earlier 
>note (new tags i-unknown and i-mixed) is unnecessary. 
>
I believe that W3C I18n WG is also clarifying undeclaration of language
using xml:lang="", which is a much more elegant default than  "und".
(It falls outside the RFC 3066 scope, being the meaning of the absense of
a code rather than a code.)

Cheers
Rick Jelliffe