5 Arpeggios are supported, both cross-staff and broken single staff.
9 \layout { ragged-right= ##t }
12 \context PianoStaff <<
13 \new Staff \relative c''{
17 %%\override PianoStaff.SpanArpeggio.connect = ##t
18 \set PianoStaff.connectArpeggios = ##t
21 \new Staff\relative c{