feedmail-fiddle-header

feedmail-fiddle-header is a compiled Lisp function in `feedmail.el'.

(feedmail-fiddle-header NAME VALUE &optional ACTION FOLDING)

Internal feedmail function for jamming fields into message header.
NAME, VALUE, ACTION, and FOLDING are the four elements of a
fiddle-plex, as described in the documentation for the variable
`feedmail-fiddle-plex-blurb'.