# File lib/graphviz/node.rb, line 58
58:     def []( xAttrName )
59:       if Hash === xAttrName
60:         xAttrName.each do |key, value|
61:           self[key] = value
62:         end
63:       else
64:         @oAttrNode[xAttrName.to_s].clone
65:       end
66:     end