What ͘ means
It marks a distinct Hokkien vowel.
Medhurst’s 1820 vocabulary documents Hokkien romanization; Elihu Doty’s 1853 manual for Amoy Hokkien (Xiamen today) records this mark. Dictionaries from 1873 and 1913 retain it. Missionaries promoted POJ for church reading; newspapers and secular books followed. During Japanese rule in Taiwan, cultural groups used POJ for public education beyond churches, though uptake stayed limited. Taiwanese-language activists used POJ in the 1980s.
Why can o͘ look broken?
A 2023 report on the Inter font noted poor dot placement.
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 ͘
͘\0358Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.
