epilogue := discard-text

     multipart-body := [preamble CRLF]
                       dash-boundary transport-padding CRLF
                       body-part *encapsulation




 
RFC 2046                      Media Types                  November 1996


                       close-delimiter transport-padding
                       [CRLF epilogue]

     preamble := discard-text

     transport-padding := *LWSP-char
                          ; Composers MUST NOT generate
                          ; non-zero length transport
                          ; padding, but receivers MUST
                          ; be able to handle padding
                          ; added by message transports.