Function: mail-header-encode-parameter
mail-header-encode-parameter is a function alias for
rfc2047-encode-parameter, defined in rfc2047.el.gz.
Signature
(mail-header-encode-parameter PARAM VALUE)
Documentation
Return a PARAM=VALUE string encoded in the RFC2047-like style.
This is a substitution for the rfc2231-encode-string function, that
is the standard but many mailers don't support it.