    # File lib/facets/more/ansicode.rb, line 174
        def display( line, column=0, string=nil ) #:yield:
          result = "\e[s"
          result << "\e[#{line.to_i};#{column.to_i}H"
          if block_given?
            result << yield
            result << "\e[u"
          elsif string
            result << string
            result << "\e[u"
          elsif respond_to?(:to_str)
            result << self
            result << "\e[u"
          end
          return result
        end