Re: [idn] Should we add U+FF0E FULLWIDTH FULL STOP to section 5.10 of Nameprep?

[David Hopwood <david.hopwood@zetnet.co.uk>]

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Yves Arrouye wrote:
> > FULLWIDTH FULLSTOP(U+FF0E) is already compatibility
> > decomposed into Latin FULLSTOP (U+002E)  in KC Normalization
> > step in NAMEPREP. You can confirm that in page 4 of
> > http://www.unicode.org/charts/PDF/UFF00.pdf.
> >
> > If any label contains U+ff0e to be mapped into u+002e in kc
> > norm in nameprep, it will be treated as error  in the
> > following prohibition stage in nameprep , since
> > u+002E. is prohibited.
> 
> But that is exactly the problem I want to address: if you type:
> 
>         SOMETHING<U+FF0E>JP
> 
> For example, it will not be seen as a domain name in the .JP domain, even
> though this was the intent (let's say also that JP can be in full-width
> ASCII, which makes the U+FF0E very plausible). Just like typing:
> 
>         SOMETHING<U+3002>JP
> 
> won't. This is the exact same thing. So I think we need to handle it just
> like U+3002 is handled.

I agree (and the same for anything that compatibility-maps to U+002E in
future versions of the tables).

- -- 
David Hopwood <david.hopwood@zetnet.co.uk>

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