Handle 'unbound' like nil for 'window-point-insertion-type' (Bug#33871)

* src/window.c (save_window_save): When setting the marker
insertion type of saved window points treat a buffer local
value of 'unbound' for 'window-point-insertion-type' like
nil (Bug#33871).

1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/window.el b/lisp/window.el
index 50aec86a427..4e72d343674 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -4278,7 +4278,7 @@ WINDOW must be a live window and defaults to the selected one."
                         (list (copy-marker start)
                               (copy-marker
                                ;; Preserve window-point-insertion-type
-                               ;; (Bug#12588).
+                               ;; (Bug#12855).
                                point window-point-insertion-type)))))
           (set-window-prev-buffers
            window (cons entry (window-prev-buffers window)))))
@@ -6110,7 +6110,7 @@ element is BUFFER."
          (list 'other
                ;; A quadruple of WINDOW's buffer, start, point and height.
                (list (current-buffer) (window-start window)
-                     ;; Preserve window-point-insertion-type (Bug#12588).
+                     ;; Preserve window-point-insertion-type (Bug#12855).
                      (copy-marker
                       (window-point window) window-point-insertion-type)
                      (if (window-combined-p window)