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[Emacs-diffs] emacs-26 06b35b2 1/2: ; * lisp/frame.el: Enhance add-varia
From: |
Noam Postavsky |
Subject: |
[Emacs-diffs] emacs-26 06b35b2 1/2: ; * lisp/frame.el: Enhance add-variable-watcher commentary. |
Date: |
Tue, 25 Jun 2019 22:06:51 -0400 (EDT) |
branch: emacs-26
commit 06b35b2f922150a11d6b4b5c68a40e9957a69e52
Author: Noam Postavsky <address@hidden>
Commit: Noam Postavsky <address@hidden>
; * lisp/frame.el: Enhance add-variable-watcher commentary.
---
lisp/frame.el | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lisp/frame.el b/lisp/frame.el
index 30f6ca9..6dc7266 100644
--- a/lisp/frame.el
+++ b/lisp/frame.el
@@ -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)))
'(line-spacing
overline-margin