D
Deleted member 473
Bear in mind that typesetting rules were designed to make the typesetter's job easier. Now that is hardly a consideration then the rules will change to suit the modern world where people format their own output for the screen and few are obsessive enough try and makes things fit and look the way it was before.
After all we would not make the modern London cabby still be legally bound to carry a bale of hay for their horse ... Oh wait, yes we do!
Aren't we talking pedantry here? Sorry!
Let's not forget the minus sign, either, which is not a hyphen, endash or emdash, but sits centred on the math axis at a different height to all of them.