Pie: All Zero
Every value is 0: nothing is drawn, every slice stays in the legend.
pie-all-zero.mmd
pie showData title Nothing counted
"Apples" : 0
"Pears" : 0
"Plums" : 0pie showData title Nothing counted
"Apples" : 0
"Pears" : 0
"Plums" : 0