From: Martin Rudalics <rudalics@gmx.at>
Date: Sat, 2 Feb 2019 09:16:45 +0000 (+0100)
Subject: Fix window splitting behavior of 'display-buffer-at-bottom'
X-Git-Tag: emacs-27.0.90~3683
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=30c09955f64815201ae9b86215fed8ea2af0ba66;p=emacs.git

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).
---

diff --git a/lisp/window.el b/lisp/window.el
index 424d0525f4e..19f84696e0f 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -7559,10 +7559,6 @@ selected frame."
      nil nil 'nomini)
     (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))