Undefined Character (U+11978)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑥸` `𑥸`
UTF-8 Encoding:	`0xF0 0x91 0xA5 0xB8`
UTF-16 Encoding:	`0xD806 0xDD78`
UTF-32 Encoding:	`0x00011978`

References