What means
They preserve Teletext’s separated-graphics mode.
Neighboring mosaic cells can join into a larger picture. The matching contiguous tile, 🬳, fills the same four cells with touching blocks. Keeping the spaced and solid styles distinct lets Teletext emulators and older software reproduce the intended layout.
Don't confuse it with
1Questions 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
𜺆\1CE86Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
