Arabic - Noon Ghunna
The ں should be dotless in all four positions of isolate, initial, medial, and final. Until this was clarified in the Unicode section on Noon Ghunna
many fonts had a dot on the initial and medial forms. Unfortunately, many users grew to expect that wrong behavior. The Unicode standard specifically says “The noon ghunna has the shape of a dotless noon and typically appears only in final and isolated contexts … In the middle of words and morphemes, the normal noon, ن , is used instead. To avoid ambiguity, sometimes a special mark, ◌٘ , is added to the dotted noon to indicate nasalization.”
