Undefined Character (U+2FFFE)

Plane:	Supplementary Ideographic Plane, U+20000 - U+2FFFF^[1]
HTML Entity:	`𯿾` `𯿾`
UTF-8 Encoding:	`0xF0 0xAF 0xBF 0xBE`
UTF-16 Encoding:	`0xD87F 0xDFFE`
UTF-32 Encoding:	`0x0002FFFE`

References