(U-00023B1B): Use `->subsumptive'.

(U-00023B1B): Use `->subsumptive'.
(U-00023B57): New character.
(U+6BFA): Use `->denotational' and `->subsumptive'; add
`<-denotational@usage' for A2-DJT-05887.
(U-0002DBDF): New character.
(U-00023BE0): New character.
(U-00023C10): Apply new conventions for glyph granularity.
(A-IWDSU+23C22): New abstract node.
(M-16997): Use A-IWDSU+23C22 instead of U-00023C22 as its mother;
unify U-00023C1D.
(U-00023C22): Add `<-denotational' for A-IWDSU+23C22.
(U-00023C42): Apply new conventions for glyph granularity.