U+1CF3A "饻己" Znamenny Combining Mark Oblachko Unicode Character
U+1CF3A "饻己" Znamenny Combining Mark Oblachko is a combining diacritical mark used in the Znamenny chant notation, a musical notation system developed in the medieval Slavic Orthodox tradition, particularly for notating monophonic liturgical chant. This specific mark, whose name means "little cloud" in Slavic languages, is written above a neume to indicate a subtle vocal inflection or ornamental nuance, typically suggesting a brief, gentle wavering or softening of the pitch. Serving to convey expressive microtonal variations not captured by the primary neumes, the Oblachko helps preserve the intricate melodic contour and reverent delivery of the Znamenny repertoire, and its inclusion in Unicode supports the accurate digital representation and study of this historic musical heritage.