Mathematical signs are misaligned

[thlinard]

The horizontal bar of + − ÷ should be the same, and aligned vertically (in the middle) with × =.

[thlinard]

More complete specimen (1×<>+÷−¬=≠±≤≥3):

[raphlinus]

I'll keep this in mind for future revision. I think the current state is slightly better than the previous 2.xx branch, but as you point out there are a few that are not supremely well aligned. Thanks!