U+FD06 "ﴆ" Arabic Ligature Sad with Yeh Isolated Form Unicode Character

U+FD06 "ﴆ" Arabic Ligature Sad with Yeh Isolated Form is a typographic ligature combining the Arabic letters Sad (ص) and Yeh (ي) into a single glyph, intended for use in certain calligraphic or Quranic text styles where such combinations preserve traditional aesthetics and readability. This character belongs to the Arabic Presentation Forms-A block, specifically designed for isolated or contextual positional forms, and it represents the isolated (standalone) version of the ligature. Its encoding facilitates digital representation of scripts where these two letters appear joined as a conventional unit, particularly in religious or classical Arabic manuscripts, without requiring separate space for each character.

General Properties

Code Point	U+FD06
Version Added	1.1
Name	Arabic Ligature Sad with Yeh Isolated Form
Block	Arabic Presentation Forms-A
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Arabic Letter
Decomposition Type	Isolated
Decomposition Mapping	"ص" U+0635 Arabic Letter Sad "ي" U+064A Arabic Letter Yeh

Encodings

HTML Decimal Encoding	ﴆ
HTML Hex Encoding	ﴆ
UTF-8 Encoding	0xEF 0xB4 0x86
UTF-16 Encoding	0xFD06
UTF-32 Encoding	0x0000FD06
C/C++/Java Escape	\ufd06

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Changes When NFKC Casefolded	Yes
NFKC Casefold	"ص" U+0635 Arabic Letter Sad "ي" U+064A Arabic Letter Yeh
NFKC Simple Casefold	"ص" U+0635 Arabic Letter Sad "ي" U+064A Arabic Letter Yeh
Script	Arabic
Script Extensions	Arabic
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	OLetter