Compatibility decomposition for Hebrew and Greek final letters

Eli Zaretskii eliz at
Fri Feb 20 02:06:37 CST 2015

> Date: Fri, 20 Feb 2015 11:50:17 +0900
> From: "Martin J. Dürst" <duerst at>
> CC: jcb+unicode at, unicode at
> Well, for cased scripts, search is usually case-insensitive, but case 
> conversions aren't given by compatibility decompositions.

That's true, but comparing NFKD-decomposed sequences
case-insensitively is not very hard, is it?

> If the question isn't "Why are there equivalences useful for search that 
> are not covered by compatibility decompositions?", but "Why doesn't 
> Unicode provide some data for final/non-final Hebrew letter 
> correspondence?", maybe the answer is that it hasn't been seen as a need 
> up to now because it's so easy to figure out.

It's easy to figure out if you read the script.  And even if you do,
you will have to prepare additional data, instead of just using UCD.

But I do get the point, thanks.

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