# File lib/lograge/formatters/ltsv.rb, line 15
      def format(key, value)
        if key == :error
          # Exactly preserve the previous output
          # Parsing this can be ambigious if the error messages contains
          # a single quote
          value = "'#{escape value}'"
        elsif value.is_a? Float
          value = Kernel.format('%.2f', value)
        end

        "#{key}:#{value}"
      end