U+F99E "咽" CJK Compatibility Ideograph-# Unicode Character

U+F99E "咽" CJK Compatibility Ideograph-# is a compatibility ideograph used in the CJK (Chinese, Japanese, and Korean) block, specifically designed to represent a variant or simplified form of a standard CJK unified ideograph for compatibility with older character encoding standards. This character corresponds to the same semantic content as its unified counterpart but exists in the Compatibility Ideographs area to preserve roundtrip conversion between modern Unicode and legacy systems, such as those in Korean or Japanese character sets. It typically functions as a "source" or "vendor" variant, often seen in historical or specialized documents where maintaining the exact original glyph form is necessary, though it is not recommended for new text in favor of its unified equivalent.

General Properties

Code Point	U+F99E
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	"咽" U+54BD CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	咽
HTML Hex Encoding	咽
UTF-8 Encoding	0xEF 0xA6 0x9E
UTF-16 Encoding	0xF99E
UTF-32 Encoding	0x0000F99E
C/C++/Java Escape	\uf99e

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	"咽" U+54BD CJK Unified Ideograph-#
NFKC Simple Casefold	"咽" U+54BD 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+54BD
kDefinition	throat; pharynx
kHangul	열:0
kIRG_KSource	K0-666C
kKorean	YEL
kRSUnicode	30.6
kTotalStrokes	9