depth_type const cur_depth = par.getDepth();
ParIterator prev_it = it;
while (prev_it.pit()) {
--prev_it.top().pit();
Paragraph const & prev_par = *prev_it;
if (prev_par.getDepth() <= cur_depth)
depth_type const cur_depth = par.getDepth();
ParIterator prev_it = it;
while (prev_it.pit()) {
--prev_it.top().pit();
Paragraph const & prev_par = *prev_it;
if (prev_par.getDepth() <= cur_depth)