Function: whitespace--variable-watcher
whitespace--variable-watcher is a byte-compiled function defined in
whitespace.el.gz.
Signature
(whitespace--variable-watcher SYMBOL NEWVAL OP BUFFER)
Documentation
Variable watcher that calls font-lock-flush for BUFFER.
Source Code
;; Defined in /usr/src/emacs/lisp/whitespace.el.gz
(defun whitespace--variable-watcher (_symbol _newval _op buffer)
"Variable watcher that calls `font-lock-flush' for BUFFER."
(when buffer
(with-current-buffer buffer
(when whitespace-mode
(font-lock-flush)))))