shortest_mom = shortest_mom <? notes_[i]->length_mom_;
Rational grace_fraction_rat (1, 2);
- SCM prop = get_property ("graceFraction", 0);
+ SCM prop = get_property ("graceFraction");
if (SMOB_IS_TYPE_B(Moment, prop))
grace_fraction_rat = *SMOB_TO_TYPE (Moment,prop);