Re: [idn] case folding

[bill@mail.nic.nu (J. William Semich)]

At 09:56 AM 5/31/00 -0400, Leslie Daigle wrote:
<snip>

>However, if we say that there is no case folding/canonicalization
>(except perhaps for US-ASCII, for backwards compatibility), then
>
>	LeChatÉmerveillant.com  and
>	lechatémerveillant.com
>
>are distinct, registrable strings.


Even more problematical:
	LeChatÉmerveillant.com (Canadian French rendition)  and
	LeChatEmerveillant.com  (French "national" rendition - no accents on
capital letters) and
	lechatémerveillant.com  (both Canadian French and French "national"
rendition - the same accents on lower case letters)

The problem is, how to implement "downsizing" or "case insensitivity" in
these kinds of colliding situations, where the upper case of a character
(which a user might "naturally" type) has no accent, but the lower case of
the same character *does* have an accent?

Only one small part of the can of worms we have in our hands.

With apologies to Marc Blanchet if I am in error about Canadian French in
my example <smile>.

Bill Semich

.NU Domain