must specify physical bitmap symbols.
*/
-Lisp_Object Qtruncation, Qcontinuation, Qoverlay_arrow;
-Lisp_Object Qempty_line, Qtop_bottom;
-Lisp_Object Qhollow_small;
+static Lisp_Object Qtruncation, Qcontinuation, Qoverlay_arrow;
+static Lisp_Object Qempty_line, Qtop_bottom;
+static Lisp_Object Qhollow_small;
enum fringe_bitmap_align
{