As character names:
U+FFFA INTERLINEAR ANNOTATION SEPARATOR character ()
As raw characters:
As a string of HTML entities:

Decoder output:
Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000 This is the first byte of a 4 byte sequence. Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111 This is continuation byte 1, expecting 2 more. Byte number 3 is decimal 191, hex 0xBF, octal \277, binary 10111111 This is continuation byte 2, expecting 1 more. Byte number 4 is decimal 186, hex 0xBA, octal \272, binary 10111010 This is continuation byte 3, expecting 0 more. U+FFFA INTERLINEAR ANNOTATION SEPARATOR * marks start of annotating character(s)