SCM duration = get_property ("tempoUnitDuration");
SCM text = get_property ("tempoText");
- if ( ( (unsmob_duration (duration) && scm_is_number (count))
+ if ( ( (unsmob_duration (duration) && scm_is_true (count))
|| Text_interface::is_markup (text) )
&& !(ly_is_equal (count, last_count_)
&& ly_is_equal (duration, last_duration_)