U+3018 LEFT WHITE TORTOISE SHELL BRACKET

The Unicode character U+3018, officially named LEFT WHITE TORTOISE SHELL BRACKET, was introduced in Unicode version 1.1. It is part of the CJK Symbols block, which belongs to the Basic Multilingual plane. Previously, it was also referred to as OPENING WHITE TORTOISE SHELL BRACKET.

Categorized technically as a Open Punctuation, 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 Other Neutral character. Its visual representation remains mirrored regardless of the reading direction.