if (!mt->leader_spec)
yaz_marc_modify_leader(mt, 9, "a");
return yaz_marc_write_marcxml_ns(mt, wr, "http://www.loc.gov/MARC21/slim",
if (!mt->leader_spec)
yaz_marc_modify_leader(mt, 9, "a");
return yaz_marc_write_marcxml_ns(mt, wr, "http://www.loc.gov/MARC21/slim",