Undefined Character (U+1E978)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞥸` `𞥸`
UTF-8 Encoding:	`0xF0 0x9E 0xA5 0xB8`
UTF-16 Encoding:	`0xD83A 0xDD78`
UTF-32 Encoding:	`0x0001E978`

References