U+F9D9 "慄" CJK Compatibility Ideograph-# Unicode Character

U+F9D9 "慄" CJK Compatibility Ideograph-# is a compatibility ideograph from the CJK Compatibility Ideographs block, specifically representing a glyph variant or duplicate of the standard CJK unified ideograph U+7469 (璩), which is a Chinese character traditionally meaning "a kind of jade" or "a ring with a missing segment." This character was encoded for compatibility with older East Asian character sets and standards, such as those used in legacy Japanese or Korean computing environments, to preserve the exact appearance of the character found in those contexts, even though it is functionally identical to its unified counterpart. It is primarily used in historical or specialized text processing where precise mapping to original encodings is required, but it is generally considered a duplicate for modern Unicode usage.

General Properties

Code Point	U+F9D9
Version Added	1.1
Name	CJK Compatibility Ideograph-#
Block	CJK Compatibility Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"慄" U+6144 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	慄
HTML Hex Encoding	慄
UTF-8 Encoding	0xEF 0xA7 0x99
UTF-16 Encoding	0xF9D9
UTF-32 Encoding	0x0000F9D9
C/C++/Java Escape	\uf9d9

Unicode Properties

Full Composition Exclusion	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"慄" U+6144 CJK Unified Ideograph-#
NFKC Simple Casefold	"慄" U+6144 CJK Unified Ideograph-#
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes

Unihan Properties

kCompatibilityVariant	U+6144
kDefinition	shiver, shudder, tremble; tremble
kHangul	율:0
kIRG_KSource	K0-6B50
kKorean	YUL
kRSUnicode	61.10
kTotalStrokes	13