Wgraph:Demo anchor

{{#wgraph:png|thumb=50|wgl|

node a   {label "This\nis\nA" }
node b   {label "This\nis\nB" }
node c   {label "This\nis\nC" }
node x   {label "This is Node X"  }
edge a x {anchor 1}
edge b x {anchor 2}
edge c x {anchor 3}

}}