2 texidoc = "Note head lines (eg glissando)
3 run between centers of the note heads.";
9 su = \notes{ \translator Staff = up}
10 sd = \notes{ \translator Staff = down}
16 \property PianoStaff.connectArpeggios = ##t
19 c4 d \sd h a g8 f16 e32 d \su g2 \glissando a,4 \sd \break a2. \su g4 \glissando f1
21 \context Staff = down {