/*
* row selection example
*/
part "tab"
table
{ x, x2 }
{ 1mm, 1 }
{ 2mm, 4 }
{ 3mm, 9 }
vec @(x, 0mm)
circ @ .
c: vec @(x-1mm, -4mm)
vec c(0.5mm, 0.5mm)
pad "$x2" c .