AuthorList const & extra_authors = options_.settings_from_new ?
old_buffer->params().authors() : new_buffer->params().authors();
AuthorList::Authors::const_iterator it = extra_authors.begin();
AuthorList const & extra_authors = options_.settings_from_new ?
old_buffer->params().authors() : new_buffer->params().authors();
AuthorList::Authors::const_iterator it = extra_authors.begin();