buffers visible in two windows, by moving through them to the next
mismatch. @xref{Comparing Files}, for details.
+@vindex mouse-autoselect-window
+ If you set @code{mouse-autoselect-window} to a non-@code{nil} value,
+moving the mouse into a different window selects that window. This
+feature is off by default.
+
@node Pop Up Window
@section Displaying in Another Window