Strengthen conditions for resizing sibling windows (Bug#25169)

* lisp/window.el (window-resize, delete-window): Resize other siblings
only if `window-combination-resize' equals t (Bug#25169).

1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/window.el b/lisp/window.el
index 5255905f457..fdb67ed4a87 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -2797,7 +2797,7 @@ instead."
                 window delta horizontal ignore nil nil nil t)))
       (window--resize-reset frame horizontal)
       (window--resize-this-window window delta horizontal ignore t)
-      (if (and (not window-combination-resize)
+      (if (and (not (eq window-combination-resize t))
                (window-combined-p window horizontal)
                (setq sibling (or (window-right window) (window-left window)))
                (window-sizable-p
@@ -4049,7 +4049,7 @@ that is its frame's root window."
              (sibling (or (window-left window) (window-right window))))
         (window--resize-reset frame horizontal)
         (cond
-         ((and (not window-combination-resize)
+         ((and (not (eq window-combination-resize t))
                sibling (window-sizable-p sibling size horizontal nil t))
           ;; Resize WINDOW's sibling.
           (window--resize-this-window sibling size horizontal nil t)