> Cc: [email protected] > From: Ken Whistler <[email protected]> > Date: Mon, 22 Feb 2016 10:10:35 -0800 > > You're not missing anything. This is a bug in the documentation of > decomps.txt. Initially, added decompositions for the DUCET default > weights were all tagged as <sort>. This results in a distinct *tertiary* > weight in the initial collation weight values in DUCET. Later on, > there turned up cases where an added decomposition for the DUCET > input worked better *without* a distinct tertiary weight. In > particular, this applies to the large collection of combining marks > whose secondary weights are now collapsed into a smaller set of > distinct values. It also applies to the o with stroke character you > cite below. The documentation for decomps.txt just needs to be > updated to reflect that new pattern.
OK, thanks. So conceptually, all those additional decompositions are all in the same class as those tagged "<sort>", in that they don't originate from the UCD, but were added for collation purposes, is that correct?

