U+FBBF "﮿" Arabic Symbol Ring Unicode Character

U+FBBF "﮿" Arabic Symbol Ring is a dedicated formatting code used in Arabic script processing, primarily designed to mark a specific location within a string of text rather than represent a spoken sound or letter. Its core function is to serve as a control glyph for contextual shaping and glyph substitution during text rendering, often influencing how adjacent Arabic characters connect or change form. Because it is not a textual character with inherent pronunciation, it typically appears invisible or as a small placeholder ring in specialized applications, such as in font engineering or textual layout systems, where it helps manage the complex orthographic rules of cursive scripts like Arabic, Nastaʿlīq, or similar writing systems.

General Properties

Code Point	U+FBBF
Version Added	6.0
Name	Arabic Symbol Ring
Block	Arabic Presentation Forms-A
General Category	Modifier Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Arabic Letter

Encodings

HTML Decimal Encoding	﮿
HTML Hex Encoding	﮿
UTF-8 Encoding	0xEF 0xAE 0xBF
UTF-16 Encoding	0xFBBF
UTF-32 Encoding	0x0000FBBF
C/C++/Java Escape	\ufbbf

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Case Ignorable	Yes
Script	Arabic
Script Extensions	Arabic
Indic Syllabic Category	Other
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other