Pie: Percentage Boundaries
Exactly 1% is drawn; 0.99%, 0.01% and -0 are not. `-0` is shown as `0`.
pie-percentage-boundaries.mmd
pie showData title Percentage boundaries
"Most" : 98
"Exactly 1%" : 1
"Just under 1%" : 0.99
"One hundredth" : 0.01
"Negative zero" : -0