diff options
Diffstat (limited to 'lisp/frame.el')
| -rw-r--r-- | lisp/frame.el | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lisp/frame.el b/lisp/frame.el index 7b61003c9ac..9402c15a56b 100644 --- a/lisp/frame.el +++ b/lisp/frame.el @@ -2672,7 +2672,9 @@ 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))) '(line-spacing overline-margin |