generate_body

# File lib/csv.rb, line 484
    def generate_body(cell, out_dev, fs, rs)
      if cell.nil?
        # empty
      else
        cell = cell.to_s
        row_data = cell.dup
        if (row_data.gsub!('"', '""') or
            row_data.index(fs) or
            (rs and row_data.index(rs)) or
            (/[\r\n]/ =~ row_data) or
            (cell.empty?))
          out_dev << '"' << row_data << '"'
        else
          out_dev << row_data
        end
      end
    end