Now render the radical as a filled polygon rather than by drawing the radical character and adding a line to it. This means that we don't need any kind of dubious black magic to make it work. The only drawback is that the radical looks the same no matter what font is being used. Still, I prefer this to the previously half-baked solution.
Some slight improvements with regards to the line of a radical.
Some slight improvements with regards to the radical.
Some minor cleaning up.
Reverted previous commit and improved our handling of the line of a radical.
Improved the relative location of the root value of a radical.