pspp_sheet_view_column_set_cell_data_func (
column, renderer, render_row_number_cell, ds, NULL);
pspp_sheet_view_column_set_fixed_width (column, 50);
pspp_sheet_view_column_set_cell_data_func (
column, renderer, render_row_number_cell, ds, NULL);
pspp_sheet_view_column_set_fixed_width (column, 50);