feedmail-accume-n-nuke-header
feedmail-accume-n-nuke-header is a compiled Lisp function in `feedmail.el
'.
(feedmail-accume-n-nuke-header HEADER-END HEADER-REGEXP)
Delete headers matching a regexp and their continuation lines.
There may be multiple such lines, and each may have arbitrarily
many continuation lines. Return an accumulation of the deleted
headers, including the intervening newlines.