Function: nnmail-purge-split-history
nnmail-purge-split-history is a byte-compiled function defined in
nnmail.el.gz.
Signature
(nnmail-purge-split-history GROUP)
Documentation
Remove all instances of GROUP from nnmail-split-history(var)/nnmail-split-history(fun).
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/nnmail.el.gz
(defun nnmail-purge-split-history (group)
"Remove all instances of GROUP from `nnmail-split-history'."
(let ((history nnmail-split-history))
(while history
(setcar history (seq-remove (lambda (e) (string= (car e) group))
(car history)))
(pop history))
(setq nnmail-split-history (delq nil nnmail-split-history))))