Re: [idn] quick & dirty (but not too dirty) homograph defense

[tedd <tedd@sperling.com>]

> tedd wrote:
> > Case in point, the lower and upper case omega. Clearly the upper 
> > case omega would not be confused with any other glyph -- it's 
> > unique.

Erik replied:

> That may be true, but would the users like to see an upper case 
> omega in the middle of a name? Don't get me wrong -- I appreciate 
> the example -- but there are pros and cons to everything.

That's a good point. But, given the "look-alike" problem, and 
comparing it to the possibility that an upper-case Omega may appear 
within a name, what's the "better" solution?  You can't have both.

I'm not arguing just for the Omega glyph (that's just an example), 
but rather I believe that there are more than a single glyph where 
its uppercase may present a better solution for a "look-alike" 
problem than it's lowercase counterpart. And, I am not proposing a 
mixed case solution for the IDN, but rather a single case for each 
code point. Granted, the vast majority of code points would remain 
lowercase, but a few uppercase exceptions may alleviate the 
"look-alike" problem.

Just an idea.

tedd
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