INTERLINEAR ANNOTATION SEPARATOR
U+FFFA
Block
Specials
Category
Format
UTF-8
0xEF 0xBF 0xBA
UTF-16
0xFF 0xFE 0xFA 0xFF
UTF-32
0xFF 0xFE 0x0 0x0 0xFA 0xFF 0x0 0x0
HTML

Python
u"\uFFFA"