Earlier quoted context omitted.
> 1. The grid is not affected. The resp. letters stay within their grid-aligned bounding boxes. Their own examples literally show that this isn't the case. Just look at the "filming" example, with the "m". In addition, their five fonts showcase shows that letters that "need space" can overbound. I think it's accurate to say that a word respects it's bounding box, but interior glyphs don't necessarily. Unless their ow…
> Their own examples literally show that this isn't the case. Just look at the "filming" example, with the "m". In addition, their five fonts showcase shows that letters that "need space" can overbound. They don't, it's an optical illusion. That's the whole point. Read the whole text and/or open the example images which show the different versions of 'm' and 'i' side by side and measure their bounding boxes. Or open…
...or just making sure your immediate neighbors and yourself equal their previous total bounding box? "Needs space" glyphs borrow from "gives space" glyphs, but only in the immediate vicinity not in totality. Spaces are neutral characters.