Stability of valid IDN labels

John C Klensin klensin at
Sat Apr 19 23:57:32 CEST 2008

--On Saturday, April 19, 2008 8:52 AM -0400 Vint Cerf 
<vint at> wrote:

> Earlier versions of the draft documents had a "maybe" concept
> but during detailed discussions it was not clear to me, at
> least, that there was a very operational way to treat anything
> in the "maybe" category other than to reject its use until
> such time as it became valid or invalid. If you were not
> supposed to register anything in Maybe but you could perhaps
> allow it to be looked up (ie used in a query) then in
> practical terms, Maybe behaves like "invalid for the moment."

Of course, that is almost exactly what the specs said about 
"MAYBE" -- don't register or register only with great caution 
and in a script of which you had special knowledge, but look up 



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