What means
It was added to help official systems exchange uncommon names reliably.
The 2023 draft amendment to GB 18030, China’s national standard for encoding Chinese text, says the set was meant to let public information systems exchange rare characters in personal and place names as standardized text.
Questions 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
𮱤\2EC64Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
