// http://note.pad.constantvzw.org/p/Hangar-graph
// Save this text as a '.dot' file
// Open it in Graphviz, 

digraph {
*
*edge [style=filled fillcolor=green]
*node [shape=square]
*"coucou" [shape=polygon sides=16][style=dotted fillcolor=black fontcolor=white style=filled]
*"" [shape=point]
*"" [shape=point]
*"jara" [style=filled fillcolor=gold fontcolor=purple]
*"Ginebra" [style=filled fillcolor=blue fontcolor=gold style=dotted]
*"Ariadna"  [style=filled fillcolor=red  fontcolor=white]
*"gijs" [style=dotted]
*"hi" [fillcolor=lightseagreen]
*"jara" ->  "hi" -> "how are you?"
*"how are you?" -> "jara"
*
*
*"Ariadna" -> "great!"
*"jara" -> "great!" -> "Ginebra" -> "great as well" ->
*"gijs" -> "Connected chat" -> "jara"
*"gijs" -> "well..."
}