> Since you do seem to know what you are talking about,
> are all of these cases (apart from the accents)
> like this [capital letter X (U+0058) vs Roman numeral X (U+2169)]
> where, given context, the human at least has a chance of succeeding)?
Perhaps. Unicode is a mess.
For many symbols, font variations have been registered
as separate symbol.
For example, the script letters B, E, F, H, I, L, M, P, R
have separate Unicode encoding, but not the remaining capitals.
For some of these an intended meaning is indicated
(Script B = Bernouilli function), for some one is
left in the dark (Script I).
So, even a human specialist who knows what his text is about,
who sits with the Unicode standard in his hands, will be unable
to decide whether his script I should be a U+2110, or is just
an I in a font with script characters.
There is much more to say about strange inconsistencies in Unicode,
but that would bring us too far off-topic.
What was the topic? Ted stated that he thought it a good idea
to agree that filenames were in UTF-8.
I refuted that - the filesystem stores bytes, both in files
and in filenames, nothing more - it is the task of a higher
level to worry about languages, character sets and religious
beliefs of the user.
Since nobody contradicted, maybe we now all agree on this part.
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