5 Arpeggios are supported, both cross-staff and broken single staff.
11 \context PianoStaff <<
12 \new Staff \relative c''{
16 %%\override PianoStaff.SpanArpeggio #'connect = ##t
17 \set PianoStaff.connectArpeggios = ##t
20 \new Staff\relative c{
28 \layout { raggedright= ##t }