RFC 2646:The Text/Plain Format Parameter
RFC-Ref

11. References

[ABNF] Crocker, D. and P. Overell, "Augmented BNF for Syntax Specifications: ABNF", RFC 2234(-> 4234draft), November 1997.
[KEYWORDS] S. Bradner, "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997.
[RICH] Resnick, P. and A. Walker, "The text/enriched MIME Content-type", RFC 1896, February 1996.
[MIME-IMT] Freed, N. and N. Borenstein, "Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types", RFC 2046draft, November 1996.
[Quoted-Printable] Freed, N. and N. Borenstein, "Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies", RFC 2045draft, November 1996.
[SMTP] Postel, J., "Simple Mail Transfer Protocol", STD 10, RFC 821std10(-> 2821prop), August 1982.
[HTML] Berners-Lee, T. and D. Connolly, "Hypertext Markup Language -- 2.0", RFC 1866hist(-> 2854), November 1995.

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