U+1A65 "ᩥ" Tai Tham Vowel Sign I Unicode Character

Unicode Version 17.0

U+1A65 "ᩥ" Tai Tham Vowel Sign I is a combining diacritical mark used in the Tai Tham script, which historically serves the Tai Yuan, Lanna, and related languages of Northern Thailand, Laos, and parts of Myanmar. This vowel sign, placed above a consonant, represents the short vowel sound "i" and is an essential element in the script’s complex orthography, where it modifies the inherent vowel of a base character. As part of the Tai Tham block in Unicode, it enables the digital preservation and representation of this traditional writing system, supporting cultural and linguistic documentation for communities that still use or study this historic script.

General Properties

Code Point U+1A65
Version Added 5.2
Name Tai Tham Vowel Sign I
Block Tai Tham
General Category Nonspacing Mark
Canonical Combining Class Not Reordered
Bidirectional Class Nonspacing Mark

Encodings

HTML Decimal Encoding ᩥ
HTML Hex Encoding ᩥ
UTF-8 Encoding 0xE1 0xA9 0xA5
UTF-16 Encoding 0x1A65
UTF-32 Encoding 0x00001A65
C/C++/Java Escape \u1a65

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Joining Type Transparent
Line Break Complex Context Dependent (South East Asian)
Case Ignorable Yes
Script Tai Tham
Script Extensions Tai Tham
Indic Syllabic Category Vowel Dependent
Indic Positional Category Top
Indic Conjunct Break Extend
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Other Alphabetic Yes
Vertical Orientation Rotated
Grapheme Extend Yes
Grapheme Cluster Break Extend
Word Break Extend
Sentence Break Extend