script, but recently there has been renewed interest in the traditional script and manuscript tradition. The manuscript culture of the Tai Nuea people is maintained by small numbers of specialised scribes who are literate in the Lik Tho Ngok script, used for secular purposes and only in manuscripts. The script is not taught in temples, in favor of the Tai Tham script. The local government’s "Intangible Cultural Heritage Protection Center" is working to obtain and protect manuscripts written in the Dai traditional scripts, as of 2013. Reformed script Today the reformed Tai Le orthography, which removes ambiguity in reading and adds tone markers, is widely used by the Tai Dehong and Tai Mao in the Dehong Dai and Jingpo Autonomous Prefecture, but not in Tai Nuea communities in the Jinggu Dai and Yi Autonomous County, the Menglian Dai, Lahu and Va Autonomous County, and the Gengma Dai and Va Autonomous County, where only the traditional scripts are used. Because of differing letters and orthographic rules, the traditional Tai Nuea and reformed Tai Le scripts are mutually unintelligible without considerable effort. Between 1952 and 1988, the script went through four reforms. The third reform (1963/1964) used diacritics to represent tones, while the fourth reform (1988–present) uses standalone tone letters. Letters In modern Tai Le orthographies, initial consonants precede vowels, vowels precede final consonants and tone marks, if present, follow the entire syllable. Consonants have an inherent vowel /a/, unless followed by a dependent vowel sign. When vowels occur initially in a word or syllable, they are preceded by the vowel carrier ᥟ. Note that old orthography tone diacritics combine with short letters (as in /ka²/ ) but appear to the right of tall letters (as in /ki²/ ). Numbers There are differences between the numbers employed by the Tai Le script in China and Myanmar. The Chinese Tai Le numbers are similar to Chinese Shan and Burmese numbers. Burmese Tai Le numbers are similar to Burmese Shan numbers. Unicode The Tai Le script was added to the Unicode Standard in April 2003 with the release of version 4.0. The Unicode block for Tai Le is U+1950–U+197F: The tone diacritics used in the old orthography (specifically the third reform) are located in the Combining Diacritical Marks Unicode block: See also The New Tai Lue alphabet for the Tai Lü language, derived from the Old Tai Lue script "Dai Tam"; which is an