examples/sample35.rb in ruby-graphviz-0.9.19 vs examples/sample35.rb in ruby-graphviz-0.9.20

@@ -38,6 +38,6 @@
   (c2.dotgraph << c1.image)[:color => "red"]
   (c2.dotgraph << c2.mysite)[:color => "red"]
   (c2.mysite << c2.dotgraph)[:color => "blue"]
   (c1.image << c2.dotgraph)[:color => "red"]
   (c2.mysite << g.cluster_0.zeimage)[:color => "red"]
-}.output( :png => "#{$0}.png" )
\ No newline at end of file
+}.output( :png => "#{$0}.png", :none => "#{$0}.gv" )