From: jon@hackcraft.net
Date: Fri Dec 12 2003 - 07:13:44 EST
> Thank you. I was supposing that isolated combining marks were considered
> in some way defective,
<blockquote cite="http://www.unicode.org/versions/Unicode4.0.0/ch03.pdf">
D17a: Defective combining character sequence: A combining character sequence
that does not start with a base character.
[Explanatory Note] Defective combining character sequences occur when a
sequence of combining
characters appears at the start of a string or follows a control or format
character.
Such sequences are defective from the point of view of handling of combining
marks, but are not ill-formed.
</blockquote>
"in some way defective" is actually a good way to put it methinks, they aren't
illegal, and in some cases you can do things with them that are both reasonable
and useful, but in other situations they may be problematic.
-- Jon Hanna | Toys and books <http://www.hackcraft.net/> | for hospitals: | <http://santa.boards.ie>
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