spacing in the measure.
*/
SCM sfac =lc->get_grob_property ("space-factor");
- if (Item::breakable_b (lc) || lc->original_l_)
+ if (gh_number_p (lc->get_grob_property ("column-space-strength"))
+ && (Item::breakable_b (lc) || lc->original_l_))
{
s.strength_f_ =
gh_scm2double (lc->get_grob_property ("column-space-strength"));