New in version 2.0.
Detach grace containers attached to leaf:
abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> grace_container = gracetools.Grace([Note("cs'16")], kind = 'grace')
abjad> grace_container(staff[1])
Note("d'8")
abjad> f(staff)
\new Staff {
c'8
\grace {
cs'16
}
d'8
e'8
f'8
}
abjad> gracetools.get_grace_containers_attached_to_leaf(staff[1])
(Grace(cs'16),)
abjad> gracetools.detach_grace_containers_attached_to_leaf(staff[1])
(Grace(),)
abjad> f(staff)
\new Staff {
c'8
d'8
e'8
f'8
}
abjad> gracetools.get_grace_containers_attached_to_leaf(staff[1])
()
Return tuple.