_pspp_sheet_view_install_mark_rows_col_dirty (PSPP_SHEET_VIEW (tree_column->tree_view));
gtk_widget_queue_resize (tree_column->tree_view);
}
_pspp_sheet_view_install_mark_rows_col_dirty (PSPP_SHEET_VIEW (tree_column->tree_view));
gtk_widget_queue_resize (tree_column->tree_view);
}