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New Tai Lü
ᦟᦲᧅᦷᦎᦺᦑᦟᦹᧉ
Xishuangbanna Dai
New Tai Lü; ᦟᦲᧅᦷᦎᦺᦑᦟᦹᧉ; Xishuangbanna Dai
Script type	Abugida
Time period	c. 1950–present
Direction	Left-to-right
Languages	Tai Lue
Related scripts
Parent systems	Proto-Sinaitic alphabet Phoenician alphabet Aramaic alphabet Brāhmī Tamil-Brahmi Kadamba or Pallava alphabet Old Mon Tai Tham New Tai Lü; ; ; ; ; ; ; ;
ISO 15924
ISO 15924	Talu (354), New Tai Lue
Unicode
Unicode alias	New Tai Lue
Unicode range	U+1980–U+19DF
	This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

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New Tai Lue script, also known as Xishuangbanna Dai^[4] and Simplified Tai Lue (Tai Lue: ᦟᦲᧅᦷᦎᦺᦑᦟᦹᧉ), is an abugida used to write the Tai Lue language. Developed in China in the 1950s, New Tai Lue is based on the traditional Tai Tham alphabet developed c. 1200.^[5] The government of China promoted the alphabet for use as a replacement for the older script; teaching the script was not mandatory, however, and as a result many are illiterate in New Tai Lue. In addition, communities in Burma, Laos, Thailand and Vietnam still use the Tai Tham alphabet.

Consonants

Initials

Similar to the Thai and Lao scripts, consonants come in pairs to denote two tonal registers (high and low).^[4]

High	ᦀ	ᦂ	ᦃ	ᦄ	ᦈ	ᦉ	ᦊ	ᦎ	ᦏ	ᦐ	ᦔ
Low	ᦁ	ᦅ	ᦆ	ᦇ	ᦋ	ᦌ	ᦍ	ᦑ	ᦒ	ᦓ	ᦗ
IPA	/ʔa/	/ka/	/xa/	/ŋa/	/t͡sa/	/sa/	/ja/	/ta/	/tʰa/	/na/	/pa/
High	ᦕ	ᦖ	ᦚ	ᦛ	ᦜ	ᦡ	ᦢ	ᦠ	ᦦ	ᦧ	ᦪ
Low	ᦘ	ᦙ	ᦝ	ᦞ	ᦟ	ᦤ	ᦥ	ᦣ	ᦨ	ᦩ	ᦫ
IPA	/pʰa/	/ma/	/fa/	/va/	/la/	/da/	/ba/	/ha/	/kʷa/	/xʷa/	/sʷa/

Finals

Final consonants do not have an inherent /a/ vowel.^[4] They are modified forms of initials with a virama-like hook:

Final	ᧅ	ᧆ	ᧇ	ᧂ	ᧃ	ᧄ	ᧁ	no final with ᦰ
IPA	/k̚/	/t̚/	/p̚/	/ŋ/	/n/	/m/	/w/	/ʔ/

Vowels

Consonants have a default vowel of /a/. In the table below, '◌' represents a consonant and is used to indicate the position of the various vowels:

Short vowels		Long vowels		Diphthongs with i
Letters	IPA	Letters	IPA	Letters	IPA
not present	/a/			ᦺ◌	/aj/
◌ᦰ	/aʔ/	◌ᦱ	/aː/	◌ᦻ	/aːj/
◌ᦲᦰ	/iʔ/	◌ᦲ	/i(ː)/
ᦵ◌ᦰ	/eʔ/	ᦵ◌	/e(ː)/
ᦶ◌ᦰ	/ɛʔ/	ᦶ◌	/ɛ(ː)/
◌ᦳ	/u(ʔ)/	◌ᦴ	/uː/	◌ᦼ	/uj/
ᦷ◌ᦰ	/oʔ/	ᦷ◌	/o(ː)/	◌ᦽ	/oj/
◌ᦸᦰ	/ɔʔ/	◌ᦸ	/ɔ(ː)/	◌ᦾ	/ɔj/
◌ᦹᦰ	/ɯʔ/	◌ᦹ	/ɯ(ː)/	◌ᦿ	/ɯj/
ᦵ◌ᦲᦰ	/ɤʔ/	ᦵ◌ᦲ	/ɤ(ː)/	ᦵ◌ᧀ	/ɤj/

In some words, the symbol ᦰ is just used for distinguishing homonyms or displaying onomatopoeiae.

Generally, vowels in open syllables (without final) become long whereas ones in closed syllables become short (except /aː/ and /uː/).

Tones

New Tai Lue has two tone marks which are written at the end of a syllable: ᧈ and ᧉ.^[4] Because consonants come in pairs to denote two tonal registers, the two tone marks allow for representation of six specific tones:

	High register			Low register
Mark		ᧈ	ᧉ		ᧈ	ᧉ
Shown with k	ᦂ	ᦂᧈ	ᦂᧉ	ᦅ	ᦅᧈ	ᦅᧉ
IPA	/ka˥/	/ka˧˥/	/ka˩˧/	/ka˥˩/	/ka˧/	/ka˩/
Transcription	ka¹	ka²	ka³	ka⁴	ka⁵	ka⁶

Abbreviations

Two letters are used only for abbreviations:

Syllable ᦶᦟᦰ (/lɛʔ˧/, "and", "or"^[6]) can be abbreviated as the character ᧞
Syllable ᦶᦟᧁᧉ (/lɛu˩/, "already") can be abbreviated as the character ᧟

Digits

New Tai Lue has its own set of digits:

0	1	2	3	4	5	6	7	8	9
᧐	᧑/᧚	᧒	᧓	᧔	᧕	᧖	᧗	᧘	᧙

An alternative glyph for one (᧚) is used when ᧑ might be confused with the vowel ᦱ.^[4]

Unicode

New Tai Lue script was added to the Unicode Standard in March, 2005 with the release of version 4.1.

In June 2015, New Tai Lue was changed from an ISCII-style logical ordering (where vowel modifiers are always encoded after the base consonants which they modify), as used for most Indic scripts in Unicode, to a TIS-620-style visual ordering model (where a vowel modifier will be encoded before the base consonant if it appears before it in the line, or after it otherwise), as used for the Thai and Lao scripts. This change was made since visual ordering for New Tai Lue was found to be more widespread in practice than the previously-prescribed logical ordering.^[4]^[7]^[8]^[9] This change affected the four vowel letters which appear to the left of the initial consonant.

The Unicode block for New Tai Lue is U+1980–U+19DF:

New Tai Lue^[1]^[2] Official Unicode Consortium code chart (PDF)
	0	1	2	3	4	5	6	7	8	9	A	B	C	D	E	F
U+198x	ᦀ	ᦁ	ᦂ	ᦃ	ᦄ	ᦅ	ᦆ	ᦇ	ᦈ	ᦉ	ᦊ	ᦋ	ᦌ	ᦍ	ᦎ	ᦏ
U+199x	ᦐ	ᦑ	ᦒ	ᦓ	ᦔ	ᦕ	ᦖ	ᦗ	ᦘ	ᦙ	ᦚ	ᦛ	ᦜ	ᦝ	ᦞ	ᦟ
U+19Ax	ᦠ	ᦡ	ᦢ	ᦣ	ᦤ	ᦥ	ᦦ	ᦧ	ᦨ	ᦩ	ᦪ	ᦫ
U+19Bx	ᦰ	ᦱ	ᦲ	ᦳ	ᦴ	ᦵ	ᦶ	ᦷ	ᦸ	ᦹ	ᦺ	ᦻ	ᦼ	ᦽ	ᦾ	ᦿ
U+19Cx	ᧀ	ᧁ	ᧂ	ᧃ	ᧄ	ᧅ	ᧆ	ᧇ	ᧈ	ᧉ
U+19Dx	᧐	᧑	᧒	᧓	᧔	᧕	᧖	᧗	᧘	᧙	᧚				᧞	᧟
Notes 1.^ As of Unicode version 16.0 2.^ Grey areas indicate non-assigned code points