(occur-engine): Initial *Occur* output not undoable.

1 files changed, 2 insertions, 0 deletions

diff --git a/lisp/replace.el b/lisp/replace.el
index 6ce961c28a7..ea1bd53e688 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -1061,6 +1061,8 @@ See also `multi-occur'."
                             title-face prefix-face match-face keep-props)
   (with-current-buffer out-buf
     (let ((globalcount 0)
+          ;; Don't generate undo entries for creation of the initial contents.
+          (buffer-undo-list t)
           (coding nil))
       ;; Map over all the buffers
       (dolist (buf buffers)