attr_init_APT(&truncation, zapt, 5);
truncation_value = attr_find(&truncation, NULL);
yaz_log(log_level_rpn, "truncation value %d", truncation_value);
attr_init_APT(&truncation, zapt, 5);
truncation_value = attr_find(&truncation, NULL);
yaz_log(log_level_rpn, "truncation value %d", truncation_value);