- Add mappings for Big5 code points.

- Add mappings for Big5 code points.
(A-cgnU+9CE5): New abstract node.
(U+9CE5): Add `<-denotational' for A-cgnU+9CE5; add
`<-denotational@usage' for BUCS+9CE5; apply new conventions for glyph
granularity.
(HNG-KHI0214-0): Use A-cgnU+9CE5 instead of U+9CE5 as its mother.
(U+9E1F): Add `<-denotational' for A-cgnU+9CE5; add
`<-denotational@usage' for BUCS+9CE5; apply new conventions for glyph
granularity.
(A-U+9CE5-itaiji-002): New abstract node; use `<-denotational' for
A-cgnU+9CE5.
(U+9CE5-itaiji-002): New character; use `<-denotational' for
A-U+9CE5-itaiji-002.
(BC-8964-itaiji-002): New character.
(BC-8964): New character.
(U+9CE6): Add `<-denotational@usage' for A2-DJT-14363; apply new
conventions for glyph granularity.
(U+9CE7): Add `<-denotational@usage' for BUCS+9CE7; apply new
conventions for glyph granularity.
(A-IWDSU+9CEC): New abstract node.
(U+9CEC): Add `<-denotational' for A-IWDSU+9CEC; apply new conventions
for glyph granularity.
(U+9CE9): Add `<-denotational@component' for A-IWDSU+9CE9; add
`<-denotational@usage' for BUCS+9CE9; apply new conventions for glyph
granularity.
(U-00029F9B): Add `<-denotational@component' for A-IWDSU+9CE9; apply
new conventions for glyph granularity.
(U+9CED): Apply new conventions for glyph granularity.
(U+9CEA): Apply new conventions for glyph granularity.
(U+9CEB): Add `<-denotational@usage' for BUCS+96C1; apply new
conventions for glyph granularity.
(U+9CF0): Add `<-denotational@usage' for BUCS+9CF0; apply new
conventions for glyph granularity.
(DJT-14371): New character; use `<-denotational' for U+9CF0.
(U-00029FA8): New character; use `<-denotational@component' for
A-IWDSU+9CE9.
(U+9CF1): Add `<-denotational@usage' for A2-DJT-14373; apply new
conventions for glyph granularity.
(U-00029F9E): Add `<-denotational@component' for A-IWDSU+9CE9; apply
new conventions for glyph granularity.
(U+9CF2): Add `<-denotational@usage' for A2-DJT-14376; apply new
conventions for glyph granularity.
(U+9CF3): Add `<-denotational@usage' for BUCS+9CF3 and A2-DJT-14378;
apply new conventions for glyph granularity.
(U+9CF4): Add `<-denotational@usage' for BUCS+9CF4; apply new
conventions for glyph granularity.
(U+9CF5): Add `<-denotational@component' for A-IWDSU+9CE9; add
`<-denotational@usage' for BUCS+9D07; apply new conventions for glyph
granularity.
(U+9CF6): Add `<-denotational@usage' for BUCS+9CF6; apply new
conventions for glyph granularity.
(U-00029FA6): Use `->denotational' and `->subsumptive'.
(U+4CAB): Add `<-denotational@component' for A-IWDSU+9CE9; apply new
conventions for glyph granularity.
(U-00029FAF): New character.
etc.