# File lib/graphviz/parser.rb, line 86
86:       def eval( context )
87:         # puts "GRAPH PREFERENCE : "
88:         # puts "  #{key.text_value} = #{value.text_value.gsub(/"/, "")}"
89:         context.graph[key.text_value] = value.text_value.gsub(/"/, "")
90:       end