U+FA37 "嘆" CJK Compatibility Ideograph-# Unicode Character

U+FA37 "嘆" CJK Compatibility Ideograph-# is a specific glyph from the CJK Compatibility Ideographs block, which was included in the Unicode standard primarily to ensure round-trip compatibility with older East Asian character encoding standards, such as those used in Japanese industrial standards. This particular character is a variant of the common CJK unified ideograph U+558A "喊" which means "to shout" or "to call out," though its compatibility form may differ slightly in visual appearance or metadata across different legacy systems. As a compatibility ideograph, its use is generally discouraged in favor of its unified counterpart for modern text encoding, but it remains available to preserve the integrity of historical data and documents that originally relied on this specific code point.

General Properties

Code Point	U+FA37
Version Added	3.2
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	"嘆" U+5606 CJK Unified Ideograph-#

Encodings

HTML Decimal Encoding	嘆
HTML Hex Encoding	嘆
UTF-8 Encoding	0xEF 0xA8 0xB7
UTF-16 Encoding	0xFA37
UTF-32 Encoding	0x0000FA37
C/C++/Java Escape	\ufa37

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	"嘆" U+5606 CJK Unified Ideograph-#
NFKC Simple Casefold	"嘆" U+5606 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+5606
kIRG_JSource	J3-2F2F
kJinmeiyoKanji	2010:U+5606
kJIS0213	1,15,15
kRSAdobe_Japan1_6	C+13366+30.3.11
kRSUnicode	30.11
kTotalStrokes	13
kUnihanCore2020	J