anchor.diff:                  nodes:Node seq, 
                   links:Link seq, 
                   [<Optional;DefaultParameterValue(null)>] ?nodePadding:float,
  -                [<Optional;DefaultParameterValue(null)>] ?nodeThicknes:float,
  +                [<Optional;DefaultParameterValue(null)>] ?nodeThickness:float,
                   [<Optional;DefaultParameterValue(null)>] ?nodeColor:obj,
                   [<Optional;DefaultParameterValue(null)>] ?nodeLineColor:obj,
                   [<Optional;DefaultParameterValue(null)>] ?nodeLineWidth:float,
  
positive.code:                 nodes:Node seq, 
                  links:Link seq, 
                  ?nodePadding:float,
                  ?nodeThicknes:float,
                  ?nodeColor:obj,
                  ?nodeLineColor:obj,
                  ?nodeLineWidth:float,
  