U+115DD SIDDHAM VOWEL SIGN ALTERNATE UU

The Unicode character U+115DD, officially named SIDDHAM VOWEL SIGN ALTERNATE UU, was introduced in Unicode version 8.0. It is part of the Siddham block, which belongs to the Supplementary Multilingual plane.

Categorized technically as a Nonspacing Mark, this character typically falls under the Sidd 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.