Undefined Character (U+D7FF)

Block:	Hangul Jamo Extended-B, U+D7B0 - U+D7FF^[1]
Plane:	Basic Multilingual Plane, U+0000 - U+FFFF^[1]
HTML Entity:	`퟿` `퟿`
UTF-8 Encoding:	`0xED 0x9F 0xBF`
UTF-16 Encoding:	`0xD7FF`
UTF-32 Encoding:	`0x0000D7FF`

References