unquoted_body (TMail::Mail)

    # File lib/action_mailer/vendor/tmail/quoting.rb, line 7
        def unquoted_body(to_charset = 'utf-8')
          from_charset = sub_header("content-type", "charset")
          case (content_transfer_encoding || "7bit").downcase
            when "quoted-printable"
              Unquoter.unquote_quoted_printable_and_convert_to(quoted_body,
                to_charset, from_charset, true)
            when "base64"
              Unquoter.unquote_base64_and_convert_to(quoted_body, to_charset,
                from_charset)
            when "7bit", "8bit"
              Unquoter.convert_to(quoted_body, to_charset, from_charset)
            when "binary"
              quoted_body
            else
              quoted_body
          end
        end