diff --git a/lispref/windows.texi b/lispref/windows.texi index f7253f05be9..24855db2e60 100644 --- a/lispref/windows.texi +++ b/lispref/windows.texi @@ -1542,6 +1542,7 @@ reduce the net horizontal scroll to zero. There is no limit to how far left you can scroll, but eventually all the text will disappear off the left edge. +@vindex automatic-hscrolling In Emacs 21, redisplay automatically alters the horizontal scrolling of a window as necessary to ensure that point is always visible, if @code{automatic-hscrolling} is set. However, you can still set the