Undefined Character (U+10DD8)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐷘` `𐷘`
UTF-8 Encoding:	`0xF0 0x90 0xB7 0x98`
UTF-16 Encoding:	`0xD803 0xDDD8`
UTF-32 Encoding:	`0x00010DD8`

References