# File lib/pry/terminal.rb, line 56
    def screen_size_according_to_readline
      if defined?(Readline) && Readline.respond_to?(:get_screen_size)
        size = Readline.get_screen_size
        size if nonzero_column?(size)
      end
    rescue Java::JavaLang::NullPointerException
      # This rescue won't happen on jrubies later than:
      #     https://github.com/jruby/jruby/pull/436
      nil
    end