Commit 06b35b2f authored by Noam Postavsky's avatar Noam Postavsky

; * lisp/frame.el: Enhance add-variable-watcher commentary.

parent 572e34bb
......@@ -2489,7 +2489,9 @@ See also `toggle-frame-maximized'."
(mapc (lambda (var)
;; Using symbol-function here tells the watcher machinery to
;; call the C function set-buffer-redisplay directly, thus
;; avoiding a potential GC.
;; avoiding a potential GC. This isn't strictly necessary,
;; but it's a nice way to exercise the direct subr-calling
;; machinery.
(add-variable-watcher var (symbol-function 'set-buffer-redisplay)))
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