Not an expert, but I think your example is actually a solved issue nowadays: https://en.wikipedia.org/wiki/Microtypography https://en.wikipedia.org/wiki/Microty

Not an expert, but I think your example is actually a solved issue nowadays: https://en.wikipedia.org/wiki/Microtypography https://en.wikipedia.org/wiki/Microtypography I know the newer TeX engines, for example, support microtypographical corrections.