# edges with attributes like title/link/label
# set the base link
graph { linkbase: http%3a//de.wikipedia.org/wiki/; }
# if nothing specified, generate a link from the label
# or none if no label set
edge { autolink: label; }
# these edges always link to "Intercity" regardless of the label
edge.intercity { link: Intercity; }

 # autolinks the edge to "Auto"
 [ Emden ] - Auto -> [ Schortens ]
 # autolinks this edge to "Bahn"
 [ Schortens ] --> { label: Bahn; } [ Oldenburg ]
 # no link (since no label)
 [ Schortens ] --> [ Cuxhaven ]
 # links to "Intercity"
 [ Oldenburg ] - IC -> { class: intercity; } [ Bremerhaven ]