gchar * (*get_row_subtitle) (const PsppireSheetModel *, gint row);
glong (*get_row_count) (const PsppireSheetModel *model);
gboolean (*get_row_sensitivity) (const PsppireSheetModel *, gint row);
+
+ gboolean (*get_row_overstrike) (const PsppireSheetModel *, gint row);
};