U+1928 LIMBU VOWEL SIGN O

The Unicode character U+1928, officially named LIMBU VOWEL SIGN O, was introduced in Unicode version 4.0. It is part of the Limbu block, which belongs to the Basic Multilingual plane.

Categorized technically as a Nonspacing Mark, this character typically falls under the Limb script. In terms of text layout and rendering, the glyph is not a composition and has no designated width in East Asian typography. When placed in bidirectional text, it behaves as an Unknown character. Its visual representation remains not mirrored regardless of the reading direction.