Function: derived-mode--flush
derived-mode--flush is a byte-compiled function defined in subr.el.gz.
Signature
(derived-mode--flush MODE)
Source Code
;; Defined in /usr/src/emacs/lisp/subr.el.gz
(defun derived-mode--flush (mode)
(put mode 'derived-mode--all-parents nil)
(let ((followers (get mode 'derived-mode--followers)))
(when followers ;; Common case.
(put mode 'derived-mode--followers nil)
(mapc #'derived-mode--flush followers))))