# File lib/premailer/adapter/nokogiri.rb, line 168
      def to_plain_text
        html_src = ''
        begin
          html_src = @doc.at("body").inner_html
        rescue;
        end

        html_src = @doc.to_html unless html_src and not html_src.empty?
        convert_to_text(html_src, @options[:line_length], @html_encoding)
      end