void set_spanner_bounds (Spanner *line, bool end);
Spanner *line_;
Spanner *ended_line_; // Spanner manually broken, don't use it for new grobs
void set_spanner_bounds (Spanner *line, bool end);
Spanner *line_;
Spanner *ended_line_; // Spanner manually broken, don't use it for new grobs