Compatibility decomposition for Hebrew and Greek final letters

Richard Wordingham richard.wordingham at
Thu Feb 19 22:45:58 CST 2015

On Fri, 20 Feb 2015 11:50:17 +0900
"Martin J. Dürst" <duerst at> wrote:

> 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.

But as already pointed out, Unicode does provide data for the
correspondence, in the form of collation weightings in DUCET.  CLDR
allows degrees of sameness to be recorded differently for different
contexts, as is eminently reasonable.


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