18 Mar 95, Jonathan de Boyne Pollard writes to Jon Guthrie:

 >>> John is implying that there's not necessarily a one-to-one
 >>> mapping  between lower and upper case in all character sets.

 >> The normal way of handling that case is to not map the characters
 >> that have no other-case equivalent.

 >   Consider the Greek alphabet.

The Greek alphabet has a one-to-one mapping between lower and upper case,
doesn't it?  I'm afraid I don't understand what you want me to figure out
by considering the Greek alphabet.

- Jon

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