Browser IDN display policy: opinions sought

Paul Hoffman phoffman at
Tue Dec 13 19:31:55 CET 2011

On Dec 13, 2011, at 10:16 AM, John Levine wrote:

> Having been reading this discussion with great interest, I don't
> understand what problem is being solved.  Is it:
> A) Only display names that are not deceptive?
> B) Don't display names that might be deceptive?
> C) Don't display names that fail to meet some policy that
> doesn't really have anything to do with deception?
> D) Only display names that meet some policy?
> E) Something else?
> It clearly can't be A, since there's plenty of room for deception in
> plain ASCII, and people can put random names at the Nth level, e.g.,
> FDIC.GOV.FOO.BAR.SOMETHING.TLD.  Beyond that, I'm baffled.

The stated reason for not just displaying the Unicode every time is to avoid deception. So, (B).

--Paul Hoffman

More information about the Idna-update mailing list