xbt_dict_foreach(current_property_set, cursor, key, elem) {
cfg = bprintf("%s:%s",key,elem);
if(xbt_cfg_is_default_value(key))
xbt_dict_foreach(current_property_set, cursor, key, elem) {
cfg = bprintf("%s:%s",key,elem);
if(xbt_cfg_is_default_value(key))