gtk_entry_set_text (GTK_ENTRY (agg->summary_var_name_entry), "N_BREAK");
gtk_editable_select_region (GTK_EDITABLE (agg->summary_var_name_entry), 0, -1);
gtk_entry_set_text (GTK_ENTRY (agg->summary_var_name_entry), "N_BREAK");
gtk_editable_select_region (GTK_EDITABLE (agg->summary_var_name_entry), 0, -1);