U+16F80 "𖾀" Miao Vowel Sign Yui Unicode Character

U+16F80 "𖾀" Miao Vowel Sign Yui is a diacritical mark used in the Miao script, also known as Pollard script, which was historically developed for writing the Hmong language and other Miao languages in China. This specific vowel sign represents the sound "yui" and is classified as a combining character, meaning it attaches to a preceding base consonant symbol to modify its pronunciation. Its inclusion in the Unicode Standard ensures that digital text processing systems can accurately represent these languages, supporting efforts to preserve and modernize the Miao writing system for contemporary communication and cultural heritage documentation.