U+00EF LATIN SMALL LETTER I WITH DIAERESIS

The Unicode character U+00EF, officially named LATIN SMALL LETTER I WITH DIAERESIS, was introduced in Unicode version 1.1. It is part of the Latin 1 Sup block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as LATIN SMALL LETTER I DIAERESIS.

Categorized technically as a Lowercase Letter, this character typically falls under the Latin script. In terms of text layout and rendering, the glyph is a canonical composition and has no designated width 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.