At 18:37 +0000 2002-02-11, Juliusz Chroboczek wrote:

>   - a cross-reference of characters whose associated glyphs are
>     identical, whatever the font (applies to symbols and ``modifier
>     letters'');

But the letter b isn't identical from font to font in Latin.

>   - a cross-reference of characters whose associated glyphs could be
>     confused by a non-technical user;

Out of the entire standard? Who's going to do that for free? :-)

>   - a cross-reference of characters that may, in the absence of
>     suitable fonts, be used as fallbacks for each other;

Unicode *is* intended to encode characters, not glyphs. But I can't 
think of a character that can usefully represent any random Yi 
character in the absence of suitable fonts apart from Apple's 
brilliant Last Resort font, which I have seen working correctly in a 
number of applications.

>   - a map from characters to scripts;

Mark Davis has such a list.

>   - a map from characters to languages.

Such as http://www.evertype.com/alphabets ?

>While much of this data may be deduced from the character names,
>you'll doubtless agree that many programmers would rather do something
>else than working out which characters exactly can appear in a Coptic
>context.

Yes, and I'm interested in that sort of task.
-- 
Michael Everson *** Everson Typography *** http://www.evertype.com

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