if (!stem_)
make_stem (gi);
- if (Stem::duration_log (stem_) != d->duration_log ())
+ int ds = Stem::duration_log (stem_);
+ int dc = d->duration_log ();
+
+ // half notes and quarter notes all have compatible stems.
+ // Longas are done differently (oops?), so we can't unify
+ // them with the other stemmed notes.
+ if (ds == 1)
+ ds = 2;
+ if (dc == 1)
+ dc = 2;
+ // whole notes and brevis both have no stems
+ if (ds == -1)
+ ds = 0;
+ if (dc == -1)
+ dc = 0;
+
+ if (ds != dc)
{
// FIXME:
gi.event_cause ()->origin ()->warning (_f ("adding note head to incompatible stem (type = %d)",