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-rw-r--r--lisp/electric.el5
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/electric.el b/lisp/electric.el
index 5272d706845..dbb19946d6b 100644
--- a/lisp/electric.el
+++ b/lisp/electric.el
@@ -29,7 +29,10 @@
;;; Code:
;; perhaps this should be in subr.el...
-(defun shrink-window-if-larger-than-buffer (window)
+(defun shrink-window-if-larger-than-buffer (&optional window)
+ "Shrink the WINDOW to be as small as possible to display its contents. Do
+nothing if only one window is displayed or if the buffer contains more lines
+than the present window height."
(save-excursion
(set-buffer (window-buffer window))
(let ((w (selected-window)) ;save-window-excursion can't win