U+31A8 BOPOMOFO LETTER IR

The Unicode character U+31A8, officially named BOPOMOFO LETTER IR, was introduced in Unicode version 3.0. It is part of the Bopomofo Ext block, which belongs to the Basic Multilingual plane.

Categorized technically as a Other Letter, this character typically falls under the Bopo 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.