(A-cgnU+5F1F): Changed from U+5F1F.
(AJ1-03083): Unify U+5F1F instead of UU+03083; delete `=>ucs@iwds-1';
use A-cgnU+5F1F instead of U+5F1F as its mother.
(U+5F1F-itaiji-004): Use A-cgnU+5F1F instead of U+5F1F as its mother.
(U-
000223BA): Apply new conventions for glyph granularity.
(U+5F26): Add `ideographic-structure'; add `sound@ja/on/{kan|go}'; add
some relations for other characters.
(A-GT-K10892): New abstract node; unify A-U+26C34-itaiji-001.
(GT-10892): New character; unify U+26C34-itaiji-001; add
`<-denotational' for A-GT-K10892.