What means
Two of the six small cells are lit. The 2×3 tile marks positions 2 and 4; this pattern supplies a patch for larger graphics.
Teletext began in the United Kingdom in the early 1970s, carrying information pages and simple pictures to television sets. Its mosaic cells could touch or appear with thin background-colored gutters. Separate characters were later encoded so teletext emulators and existing software could preserve the gapped style as text.
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
𜹚\1CE5ACodes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
