New in version 1.1.
Repeat leaves in expr and extend spanners:
abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spannertools.BeamSpanner(staff.leaves)
BeamSpanner(c'8, d'8, e'8, f'8)
abjad> f(staff)
\new Staff {
c'8 [
d'8
e'8
f'8 ]
}
abjad> result = leaftools.repeat_leaves_in_expr_and_extend_spanners(staff[2:], total = 3)
abjad> f(staff)
\new Staff {
c'8 [
d'8
e'8
e'8
e'8
f'8
f'8
f'8 ]
}
Preserve leaf written durations.
Preserve parentage and spanners.
Return none.
Changed in version 2.0: renamed leaftools.multiply() to leaftools.repeat_leaves_in_expr_and_extend_spanners().