rem: if ( gsb_account_get_current_transaction (compte_courant) == GINT_TO_POINTER(-1) )
add: if ( gsb_account_get_current_transaction (gsb_account_get_current_account ()) == GINT_TO_POINTER(-1) )
context: gboolean assert_selected_transaction (){    if ( gsb_account_get_current_transaction (compte_courant) == GINT_TO_POINTER(-1) )	return FALSE;    return TRUE;}