Function: mail-hist-get-header-ring
mail-hist-get-header-ring is a byte-compiled function defined in
mail-hist.el.gz.
Signature
(mail-hist-get-header-ring HEADER)
Documentation
Get HEADER's history ring, or nil if none.
HEADER is a string without the colon.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/mail-hist.el.gz
(defsubst mail-hist-get-header-ring (header)
"Get HEADER's history ring, or nil if none.
HEADER is a string without the colon."
(setq header (downcase header))
(cdr (assoc header mail-hist-header-ring-alist)))