vsize first_page_num);
Page_spacing_result space_systems_on_best_pages (vsize configuration_index,
vsize first_page_num);
+ Page_spacing_result pack_systems_on_least_pages (vsize configuration_index,
+ vsize first_page_num);
vsize min_page_count (vsize configuration_index, vsize first_page_num);
bool all_lines_stretched (vsize configuration_index);
Real blank_page_penalty () const;