U+30FC KATAKANA-HIRAGANA PROLONGED SOUND MARK

The Unicode character U+30FC, officially named KATAKANA-HIRAGANA PROLONGED SOUND MARK, was introduced in Unicode version 1.1. It is part of the Katakana block, which belongs to the Basic Multilingual plane.

Categorized technically as a Modifier Letter, this character typically falls under the Common 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 Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.