fo-area-page @Returns: @FO_AREA_PAGE_ERROR_FAILED: @FO_AREA_PAGE_ERROR_WARNING: @FO_AREA_PAGE_ERROR_OVERFLOW: @Returns: @fo_area_page: @new_page_number: @fo_area_page: @Returns: @fo_area_page: @new_page_width: @fo_area_page: @Returns: @fo_area_page: @new_page_height: @fo_area_page: @Returns: @fo_area_page: @new_margin_top: @fo_area_page: @Returns: @fo_area_page: @new_margin_bottom: @fo_area_page: @Returns: @fo_area_page: @new_margin_left: @fo_area_page: @Returns: @fo_area_page: @new_margin_right: @fo_area_page: @Returns: