+ Real x_coord = (has_interface<Paper_column> (bound_grob)
+ ? Axis_group_interface::generic_bound_extent (bound_grob, commonx, X_AXIS)
+ : robust_relative_extent (bound_grob, commonx, X_AXIS)).linear_combination (attach);
+
+ Grob *acc = unsmob<Grob> (bound_grob->get_object ("accidental-grob"));
+ if (acc && to_boolean (ly_assoc_get (ly_symbol2scm ("end-on-accidental"), details, SCM_BOOL_F)))
+ x_coord = robust_relative_extent (acc, commonx, X_AXIS).linear_combination (attach);
+
+ Grob *dot = unsmob<Grob> (bound_grob->get_object ("dot"));
+ if (dot && to_boolean (ly_assoc_get (ly_symbol2scm ("start-at-dot"), details, SCM_BOOL_F)))
+ x_coord = robust_relative_extent (dot, commonx, X_AXIS).linear_combination (attach);
+