+ /*
+ We used to have
+
+ extend-spanner-over-elements (finished_line_spanner_);
+
+ but this is rather kludgy, since finished_line_spanner_
+ typically has a staff-symbol field set , extending it over the
+ entire staff.
+
+ */
+
+ Grob *l = finished_line_spanner_->get_bound (LEFT);
+ Grob *r = finished_line_spanner_->get_bound (RIGHT);
+ if (!r && l)
+ finished_line_spanner_->set_bound (RIGHT, l);
+ else if (!l && r)
+ finished_line_spanner_->set_bound (LEFT, r);
+ else if (!r && !l)
+ {
+ /*
+ This is a isolated dynamic apparently, and does not even have
+ any interesting support item.
+ */
+ Grob *cc = unsmob_grob (get_property ("currentMusicalColumn"));
+ Item *ci = dynamic_cast<Item *> (cc);
+ finished_line_spanner_->set_bound (RIGHT, ci);
+ finished_line_spanner_->set_bound (LEFT, ci);
+ }
+
+ finished_line_spanner_ = 0;