if (Stem::duration_log (stem_) != duration_log)
{
- i.music_cause ()->origin ()->warning (_f ("Adding note head to incompatible stem (type = %d)", 1 << Stem::duration_log (stem_)));
+ i.music_cause ()->origin ()->warning (_f ("Adding note head to incompatible stem (type = %d)", 1 << Stem::duration_log (stem_))
+ + _f ("Don't you want polyphonic voices instead?")
+ );
}
Stem::add_head (stem_,h);