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

[Yves Arrouye <yves@realnames.com>]

> 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 wasn't really clear. Since it's forbidden because of the compatibility
mapping, all I want is some text that identifies that as a caveat for IDN
implementers, so that they don't just map U+3002 to U+002E before Nameprep
and then wonder why this one doesn't work.

YA