+{
+ pos_type last_pos = static_cast<pos_type>(pars_[last].size() - 1);
+ deleteEmptyParagraphMechanism(first, last, 0, last_pos, trackChanges);
+}
+
+
+void Text::deleteEmptyParagraphMechanism(pit_type first, pit_type last,
+ pos_type first_pos, pos_type last_pos,
+ bool trackChanges)