(format-annotate-function): Set write-region-post-annotation-function.

1 files changed, 3 insertions, 0 deletions

diff --git a/lisp/format.el b/lisp/format.el
index 34545810c56..27253a2c47d 100644
--- a/lisp/format.el
+++ b/lisp/format.el
@@ -218,6 +218,9 @@ For most purposes, consider using `format-encode-region' instead."
                   (multibyte enable-multibyte-characters)
                   (coding-system buffer-file-coding-system))
               (with-current-buffer copy-buf
+                (set (make-local-variable
+                      'write-region-post-annotation-function)
+                     'kill-buffer)
                 (setq selective-display sel-disp)
                 (set-buffer-multibyte multibyte)
                 (setq buffer-file-coding-system coding-system))