AW: Sharp-S and Final Sigma Consensus Call Results

Cary Karp ck at
Wed Dec 9 22:09:20 CET 2009

> Suppose ß were PVALID.  If an application always took "ß" and
> converted it to "ss" before handing it to the IDNA subsystem, how is
> the U-label spelled?  With ß or ss?  (I can make an argument either
> way, I think.)

If the ß is the only non-ASCII character in the label, converting it to "ss" maps the label out of the IDN space 
entirely. So what's the U-label and what's the relevance of the IDNA subsystem?


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