U+2551 BOX DRAWINGS DOUBLE VERTICAL

The Unicode character U+2551, officially named BOX DRAWINGS DOUBLE VERTICAL, was introduced in Unicode version 1.1. It is part of the Box Drawing block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as FORMS DOUBLE VERTICAL.

Categorized technically as a Other Symbol, this character typically falls under the Common script. In terms of text layout and rendering, the glyph is not a composition and has ambiguous in East Asian typography. When placed in bidirectional text, it behaves as an Other Neutral character. Its visual representation remains not mirrored regardless of the reading direction.