U+1EA3 "ả" Latin Small Letter A with Hook Above Unicode Character

U+1EA3 "ả" Latin Small Letter A with Hook Above is a Vietnamese diacritic letter used to represent the falling-rising tone (hỏi tone) on the vowel "a," which is a mid-central vowel sound pronounced with a slight dip and then a rise in pitch. It is coded in the Unicode block “Latin Extended Additional” and is commonly found in Vietnamese text, where it forms an essential part of the tonal orthography that distinguishes word meanings. This character is visually composed of a standard lowercase “a” with a small hook attached to the upper right side of the letter, signaling the specific tonal contour.

General Properties

Code Point	U+1EA3
Version Added	1.1
Name	Latin Small Letter A with Hook Above
Block	Latin Extended Additional
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Canonical
Decomposition Mapping	"a" U+0061 Latin Small Letter A "̉" U+0309 Combining Hook Above

Encodings

HTML Decimal Encoding	ả
HTML Hex Encoding	ả
UTF-8 Encoding	0xE1 0xBA 0xA3
UTF-16 Encoding	0x1EA3
UTF-32 Encoding	0x00001EA3
C/C++/Java Escape	\u1ea3

Unicode Properties

NFC Quick Check	Yes
NFKC Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Simple Uppercase Code Point	"Ả" U+1EA2 Latin Capital Letter A with Hook Above
Simple Titlecase Code Point	"Ả" U+1EA2 Latin Capital Letter A with Hook Above
Uppercase Code Point	"Ả" U+1EA2 Latin Capital Letter A with Hook Above
Titlecase Code Point	"Ả" U+1EA2 Latin Capital Letter A with Hook Above
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
Script	Latin
Script Extensions	Latin
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	Lower