It seems to have particular problems with the letter "f" when next to a letter "s," in addition to other flaws. That's such a weird bug. I wonder if Preview is

It seems to have particular problems with the letter "f" when next to a letter "s," in addition to other flaws. That's such a weird bug. I wonder if Preview is trying to be too cute with "less common" stylistic ligatures. Try some of the other ones mentioned in Wiki: https://en.wikipedia.org/wiki/Orthographic_ligature#Stylistic_ligatures https://en.wikipedia.org/wiki/Orthographic_ligature#Stylisti...