Re: Use IDNA on all network connections

[Paul Eggert]

Lars Ingebrigtsen wrote:
> Should we do something about the Unicode homographic situation in
> relation to URLs now that we have IDNA?

Yes, that would be good. How about if we display a URL component in punycode if 
it doesn’t satisfy the Unicode Restriction Level 3 (Highly Restrictive)? The 
Unicode folks say this restriction level “will satisfy the vast majority of users”.

http://www.unicode.org/reports/tr39/#Restriction_Level_Detection

Here's a summary of what some popular browsers do:

http://www.chromium.org/developers/design-documents/idn-in-google-chrome