U+202A LEFT-TO-RIGHT EMBEDDING
UTF-8: e2 80 aa UTF-16BE: 202a Decimal: ‪ Octal: \020052
‪
Category: Cf (Other, Format)
Bidi: LRE (Left-to-Right Embedding)

U+8FFD CJK UNIFIED IDEOGRAPH-8FFD
UTF-8: e8 bf bd UTF-16BE: 8ffd Decimal: 追 Octal: \0107775
追 (追)
Uppercase: 8FFD
Category: Lo (Letter, Other)
Bidi: L (Left-to-Right)

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emacs-version "24.5.1"