Undefined Character (U+2073)

Block:	Superscripts and Subscripts, U+2070 - U+209F^[1]
Plane:	Basic Multilingual Plane, U+0000 - U+FFFF^[1]
HTML Entity:	`⁳` `⁳`
UTF-8 Encoding:	`0xE2 0x81 0xB3`
UTF-16 Encoding:	`0x2073`
UTF-32 Encoding:	`0x00002073`

References