What ◨ means
It comes from Linotype, a collection of typefaces. The Unicode Standard, Version 18.0 traces ◨'s typographic origin to this collection and groups it with a run of half-black squares and triangles.
Don't confuse it with
4Questions people ask
1Why does ◨ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ◨
Windows (Word)
Alt+XType 25E8, then Alt+X to get ◨.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “square with right half black”.
Linux
Ctrl+Shift+UType 25e8, then Enter or Space.
HTML
◨CSS
\25E8Codes and encoding1 code points
HTML decimal
◨
HTML hex
◨
CSS content
content: "\25E8";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%97%A8
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.