reverse = refs[:]
reverse.reverse()
for uid, key, extra in reverse:
insert.begin_reference(key)
r = Store.Record()
r.add('id', key, Attribute.ID)
insert(formatter(r))
insert.end_reference(key)
insert.end_biblio()
r = oo.text.getString()
assert r == u'''\
[a][b]
[b]\xa0This has key b
[a]\xa0This has key a
''', r
# update the labels
oo.update_keys({1:u'b', 2:u'a'})
r = oo.text.getString()
assert r == u'''\
[b][a]
[b]\xa0This has key b
[a]\xa0This has key a
''', r
