Fix window splitting behavior of 'display-buffer-at-bottom'

* lisp/window.el (display-buffer-at-bottom): Never split an
arbitrary bottom window.  Try to split the frame's main
window instead (Bug#33870).

1 files changed, 0 insertions, 4 deletions

diff --git a/lisp/window.el b/lisp/window.el
index 424d0525f4e..19f84696e0f 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -7560,10 +7560,6 @@ selected frame."
     (or (and bottom-window-shows-buffer
              (window--display-buffer buffer bottom-window 'reuse alist))
         (and (not (frame-parameter nil 'unsplittable))
-             (let (split-height-threshold)
-               (setq window (window--try-to-split-window bottom-window alist)))
-             (window--display-buffer buffer window 'window alist))
-        (and (not (frame-parameter nil 'unsplittable))
              (setq window (split-window-no-error (window-main-window)))
              (window--display-buffer buffer window 'window alist))
         (and (setq window bottom-window)