Undefined Character (U+20FF)

Block:	Combining Diacritical Marks for Symbols, U+20D0 - U+20FF^[1]
Plane:	Basic Multilingual Plane, U+0000 - U+FFFF^[1]
HTML Entity:	`⃿` `⃿`
UTF-8 Encoding:	`0xE2 0x83 0xBF`
UTF-16 Encoding:	`0x20FF`
UTF-32 Encoding:	`0x000020FF`

References