On Mon, 2024-07-22 at 16:26 +0200, Peter Eisentraut wrote: > Unless I missed something here, all the problem examples involve > unassigned code points that were later assigned.
For normalization and case mapping that's right. For regexes, a character property could change. But that's mostly a theoretical problem because, at least in my experience, I can't recall ever seeing an index that would be affected. Regards, Jeff Davis