In display-buffer-use-some-window don't shrink window used (Bug#17671).

* window.el (display-buffer-use-some-window): Don't make window
used smaller than it was before (Bug#17671).

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 2ca78add203..6bb2147595d 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2014-06-03  Martin Rudalics  <rudalics@gmx.at>
+
+        * window.el (display-buffer-use-some-window): Don't make window
+        used smaller than it was before (Bug#17671).
+
 2014-06-03  Eli Zaretskii  <eliz@gnu.org>
 
         * menu-bar.el (menu-bar-open): Fix last change: use the PC
diff --git a/lisp/window.el b/lisp/window.el
index c5093ca51a5..e9f4fd0b1d2 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -6497,7 +6497,7 @@ that frame."
       ;; resize it to its old height but don't signal an error.
       (when (and (listp quad)
                  (integerp (nth 3 quad))
-                 (/= (nth 3 quad) (window-total-height window)))
+                 (> (nth 3 quad) (window-total-height window)))
         (condition-case nil
             (window-resize window (- (nth 3 quad) (window-total-height window)))
           (error nil)))