multi set at once in Edge.rb

require 'rubygems'
require 'graphviz'
class GraphViz
	class Edge
		def [](xAttrName)
			if Hash===xAttrName
				for name,value in xAttrName
					self[name]=value
				end
			else
				@oAttrEdge[xAttrName.to_s].clone	
			end
		end
	 
	end	
end

GraphViz.new(:G){|g|
	(g.hello-g.world) [:style=>:bold,:label=>" axgle says"]
}.save(:png=>"axgle.png")