the right fringe. Fourth parameter OUTSIDE-MARGINS non-nil specifies
that fringes are drawn outside of the display margins; by default, fringes
are drawn between display marginal areas and the text area.
-A nil width parameter means to use the frame's corresponding fringe width. */)
+A nil width parameter means to use the frame's default fringe width;
+default fringe widths can be set with the command `set-fringe-style'. */)
(window, left, right, outside_margins)
Lisp_Object window, left, right, outside_margins;
{