Undefined Character (U+1E7FF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞟿` `𞟿`
UTF-8 Encoding:	`0xF0 0x9E 0x9F 0xBF`
UTF-16 Encoding:	`0xD839 0xDFFF`
UTF-32 Encoding:	`0x0001E7FF`

References