What you suggested lastly is possible, most work will be coming up with a dumbed down editor for such a font. Per each ligature, the user should be able to prov

What you suggested lastly is possible, most work will be coming up with a dumbed down editor for such a font. Per each ligature, the user should be able to provide a SVG(?) and control its y-offset and scale (currently I use the same values for all the ligatures). DM me at Twitter (@verydutzi) if you want to talk about it, I’d be happy to!