Casefolding Sigma (was: Re: IDNAbis Preprocessing Draft)

Stephane Bortzmeyer bortzmeyer at
Thu Jan 24 11:00:47 CET 2008

On Tue, Jan 22, 2008 at 01:42:22PM -0500,
 John C Klensin <klensin at> wrote 
 a message of 64 lines which said:

> Does that imply that you would prefer that not match
> and that should be banned entirely?
> At least the first two not matching are a direct consequence of the
> statement Stephane made

Certainly not. Where did I say that we should drop case-insensitivity?

> Note that Stephane's note appears to indicate that "the risk of
> confusion between and" was a "semantic
> issue[s]" that ought to be beyond the scope of IETF and any
> protocol work.  Is that really what you are agreeing with?   Of
> course, if he really intended zeros in the 2nd and 3rd character
> positions of the second name, 

I did not "intend", I wrote it. There was two zeros in G00GLE, check
my message (I just did).

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