Hi Urs!
If nh is the name of your grob in the callback then(ly:grob-object nh 'stem) will give you the stem. AFAIK the Flag etc. are not all accessible this way but you can do
Thanks a lot for pointing the way to ly:grob-object. In fact it does work for stems, flags and dots. Knut _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel