- Spacing_result space_systems_on_1_page (vector<Line_details> const &lines, Real page_height, bool ragged);
- Spacing_result space_systems_on_2_pages (vsize configuration_index, vsize first_page_num);
- Spacing_result finalize_spacing_result (vsize configuration_index, Spacing_result);
+ Page_spacing_result space_systems_on_1_page (vector<Line_details> const &lines, Real page_height, bool ragged);
+ Page_spacing_result space_systems_on_2_pages (vsize configuration_index, vsize first_page_num);
+ Page_spacing_result finalize_spacing_result (vsize configuration_index, Page_spacing_result);