From: John H. Jenkins (jenkins@apple.com)
Date: Wed Mar 18 2009 - 12:42:59 CST
On Mar 17, 2009, at 11:05 PM, Chris Weber wrote:
> In I’m reading RFC 3491 correctly, then IDNA allows for unassigned
> code points to exist in strings and domain names. This makes
> spoofing attacks possible when one these code points don’t have
> associated glyphs and basically show up as white space.
If a system has no font that will cover a certain character, it should
not be showing white space. Typically you'll see boxes of some sort,
which is the better thing to do, as it lets the user know that there's
something there.
=====
John H. Jenkins
jenkins@apple.com
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