_comment_span_res = map(_compile, [
('^\s*Signed-off-by: .*$', 'signed-off-by'),
('^\s*Acked-by: .*$', 'acked-by'),
_comment_span_res = map(_compile, [
('^\s*Signed-off-by: .*$', 'signed-off-by'),
('^\s*Acked-by: .*$', 'acked-by'),
('^\s*From: .*$', 'from'),
('^\s*>.*$', 'quote'),
])
('^\s*From: .*$', 'from'),
('^\s*>.*$', 'quote'),
])