U+3099 COMBINING KATAKANA-HIRAGANA VOICED SOUND MARK

The Unicode character U+3099, officially named COMBINING KATAKANA-HIRAGANA VOICED SOUND MARK, was introduced in Unicode version 1.1. It is part of the Hiragana block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as NON-SPACING KATAKANA-HIRAGANA VOICED SOUND MARK.

Categorized technically as a Nonspacing Mark, this character typically falls under the Zinh script. In terms of text layout and rendering, the glyph is not a composition and has wide 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.