Undefined Character (U+187F)

Block:	Mongolian, U+1800 - U+18AF^[1]
Plane:	Basic Multilingual Plane, U+0000 - U+FFFF^[1]
HTML Entity:	`᡿` `᡿`
UTF-8 Encoding:	`0xE1 0xA1 0xBF`
UTF-16 Encoding:	`0x187F`
UTF-32 Encoding:	`0x0000187F`

References