# File lib/ansi/code.rb, line 174
    def display(line, column=0) #: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"
      end
      result
    end