+ {
+ elt_l_->set_elt_property ("staff-position",
+ gh_double2scm (p));
+
+ }
+
+ Array<Offset_cache_callback> &callbacks (elt_l_->dim_cache_[Y_AXIS]->off_callbacks_);
+ for (int i=0; i < callbacks.size ();i++)
+ if (callbacks[i] == callback)
+ return ;
+
+ callbacks.push (callback);
+}
+
+Staff_symbol_referencer_interface
+staff_symbol_referencer (Score_element const*e)
+{
+ return e; // gee, I'm so smart!