examples/graphviz.org/TrafficLights.rb in ruby-graphviz-0.9.3 vs examples/graphviz.org/TrafficLights.rb in ruby-graphviz-0.9.4

@@ -57,6 +57,6 @@
   g.red1 << g.rg1
 
   g[:overlap] = :false
   g[:label] = 'PetriNet Model TrafficLights\nExtracted from ConceptBase and layed out by Graphviz'
   g[:fontsize] = 12;
-}.output( :png => "TrafficLights.png" )
+}.output( :errors => 1, :png => "TrafficLights.png" )
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