examples/sample20.rb in ruby-graphviz-0.9.1 vs examples/sample20.rb in ruby-graphviz-0.9.2

@@ -1,11 +1,11 @@
 #!/usr/bin/ruby
 
 $:.unshift( "../lib" );
 require "graphviz"
 
-GraphViz::options( :output => "png", :use => "dot" )
+GraphViz::options( :use => "dot" )
 
 if ARGV[0]
   GraphViz::options( :path => ARGV[0] )
 end
 
@@ -42,6 +42,6 @@
   g.add_edge( g.node7(:f1), g.node1(:f0) )
   g.add_edge( g.node7(:f2), g.node8(:f0) )
   g.add_edge( g.node10(:f1), g.node11(:f0) )
   g.add_edge( g.node10(:f2), g.node12(:f0) )
   g.add_edge( g.node11(:f2), g.node1(:f0) )
-}.output( :file => "#{$0}.png" )
+}.output( :png => "#{$0}.png" )
\ No newline at end of file