id: "Tavt" name: "Tai Viet" family: "Southeast Asian" summary: "Tai Viet is a Southeast Asian abugida, written left-to-right. Used since the 16th century in Vietnam, Laos, China and Thailand for the Tai Dam, Tai Dón, Tai Daeng, Thai Song and Tày Tac languages. Has 31 consonants and 14 vowels. Needs software support for complex text layout (shaping)."