From b728f50e1f05270e6f650c79e65cddd2ca0d4bc0 Mon Sep 17 00:00:00 2001
From: Martin Rudalics <rudalics@gmx.at>
Date: Sat, 22 Nov 2025 10:12:37 +0100
Subject: [PATCH] Fix thinko in 'window_set_parent_and_normal_sizes'

* src/window.c (window_set_parent_and_normal_sizes): When
assigning normal sizes in a combination, take the direction from
its parent's 'horizontal' slot and not from that of the first
window in the combination.
---
 src/window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/window.c b/src/window.c
index d776cd7119e..1d9104cc779 100644
--- a/src/window.c
+++ b/src/window.c
@@ -5161,7 +5161,7 @@ window_set_parent_and_normal_sizes (Lisp_Object parent)
   /* Normal size left for yet unprocessed windows.  */
   double remainder = 1.0;
 
-  if (w->horizontal)
+  if (p->horizontal)
     {
       while (true)
 	{