#'beam-dir-algorithm = #'majority %urg.
+#'Clef_item::visibility-lambda = #postbreak-only-visibility
+#'Key_item::visibility-lambda = #postbreak-only-visibility
+#'Breathing_sign::visibility-lambda = #non-postbreak-visibility
+
+
%{
dit(code(beam_dir_algorithm)) Specify algorithm for determining
whether beams go up or down. It is real valued. If set to 2.0 then