+ button->label =
+ PSPPIRE_SHEET_MODEL_GET_IFACE (model)->get_row_title (model, row);
+
+ if ( PSPPIRE_SHEET_MODEL_GET_IFACE (model)->get_row_overstrike)
+ button->overstruck =
+ PSPPIRE_SHEET_MODEL_GET_IFACE (model)->get_row_overstrike (model, row);