DOT edge styles

Example of edge styles support.

AttributesDesriptions
labelText displayed on the edge
colorEdge color
style Edge style ("solid", "dashed", "dotted")
dir Arrow direction ("forward", "both", "back", "none"), default is "forward"
arrowhead, arrowtail Arrow style ("dot", "box", "crow", "curve", "icurve", "normal", "inv", "diamond", "tee", "vee")
width or penwidth Edge width