Extensions (MIME) Part One: Format of Internet Message Bodies",
       RFC 2045, November 1996.

   [RFC 2046] Borenstein N., and N. Freed, "Multipurpose Internet Mail
       Extensions (MIME) Part Two: Media Types", RFC 2046,
       November 1996.

   [RFC 2048] Freed, N., Klensin, J., and J. Postel, "Multipurpose
       Internet Mail Extensions (MIME) Part Four: Registration
       Procedures", RFC 2048, November 1996.




















 
RFC 2047               Message Header Extensions           November 1996


10. Security Considerations

   Security issues are not discussed in this memo.

11. Acknowledgements

   The author wishes to thank Nathaniel Borenstein, Issac Chan, Lutz
   Donnerhacke, Paul Eggert, Ned Freed, Andreas M. Kirchwitz, Olle
   Jarnefors, Mike Rosin, Yutaka Sato, Bart Schaefer, and Kazuhiko
   Yamamoto, for their helpful advice, insightful comments, and
   illuminating questions in response to earlier versions of this
   specification.

12. Author's Address

   Keith Moore
   University of Tennessee
   107 Ayres Hall
   Knoxville TN 37996-1301

   EMail: moore@cs.utk.edu































 
RFC 2047               Message Header Extensions           November 1996


Appendix - changes since RFC 1522 (in no particular order)

   + explicitly state that the MIME-Version is not requried to use
     'encoded-word's.

   + add explicit note that SPACEs and TABs are not allowed within
     'encoded-word's, explaining that an 'encoded-word' must look like an
     'atom' to an RFC822 parser.values, to be precise).

   + add examples from Olle Jarnefors (thanks!) which illustrate how