(A-cgnU+7570): Changed from U+7570.

(A-cgnU+7570): Changed from U+7570.
(A-J0-305B): Unify U+7570 instead of A-IWDSU+7570 and A-UU+7570; use
A-cgnU+7570 instead of U+7570 as its mother.
(HNG-KHI0493-0): Use A-cgnU+7570 instead of U+7570 as its mother.
(HNG-KHM0441-0): Likewise.
(U-0002F938): Add representative nodes.
(U+7573): Fix structure; use IWDS1-0083 instead of U+7530 as a
component.
(A-U+66B4-itaiji-005): New abstract node.
(U+66B4-itaiji-005): New character; use `<-denotational' for
A-U+66B4-itaiji-005.