828
842
b_iter = iter(annotated_b)
830
844
for a_num, (revision, text) in xenumerate(a_iter, ai, a_cur):
832
846
for b_num, (revision, text) in xenumerate(b_iter, bi, b_cur):
834
848
for num, ((revision_a, text_a), (revision_b, text_b)) in \
835
849
xenumerate(izip(a_iter, b_iter), l):
837
851
yield "unchanged", text_a
855
for a_num, (revision, text) in xenumerate(a_iter, start=a_cur):
857
for b_num, (revision, text) in xenumerate(b_iter, start=b_cur):
841
860
def xenumerate(iter, stop=None, start=0, step=1):