U+19B7 "ᦷ" New Tai Lue Vowel Sign O Unicode Character

U+19B7 "ᦷ" New Tai Lue Vowel Sign O is a combining mark used in the New Tai Lue script, which is employed to write the Tai Lü language spoken primarily in the Xishuangbanna Dai Autonomous Prefecture of Yunnan, China, as well as in parts of Laos, Myanmar, and Thailand. This vowel sign represents the sound /o/ and is typically placed above a consonant character to indicate its vowel component, functioning as a diacritical mark within the script's orthography. As part of the New Tai Lue block in Unicode, it supports the modernized version of the traditional Tai Lue writing system, which was reformed in the 1950s to improve literacy and typing efficiency. The character's appearance is a curved, horizontal line with a slight upward tilt, resembling a small bow or arch sitting above the base consonant.