Martin Kochanski <[EMAIL PROTECTED]>
To: "Unicode List" <[EMAIL PROTECTED]>
Sent: Thursday, February 21, 2002 3:50 am
Subject: Re: Unicode Search Engines
> What happens if Unicode 3.3 defines a new precomposed character (such as
> q-tilde)? Does this mean that all existing documents might become
retrospectively
> unnormalised and therefore invalid?
Yes, it would, which is why Unicode isn't going to define any new
precomposed characters that can already be composed.
The WG2 "Principles and Procedures" document would make especially good
reading:
http://std.dkuug.dk/JTC1/SC2/WG2/docs/n2352r.pdf
In particular, check section G.2, "Implications of Normalization on
Character Encoding."
-Doug Ewell
Fullerton, California