Re: what is the real problem?

Keith Moore scripsit:

> not quite - all that is required is that there be one address that is 
> transcribable by any potential recipient.  but for me it's an open 
> question as to whether a Latin alphabet / ASCII-encoded fallback is 
> sufficient, given the absence of those characters on many of the 
> world's keyboards.

If you can't count on Basic Latin, I very much doubt that there is
anything you can count on.  "Implement zero [not useful], one [Basic Latin]
or every possible way to do something."

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