xmlSaveFormatFileEnc  482 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   ret = xmlSaveFormatFileEnc(filename, doc, "UTF-8", 1);
xmlSaveFormatFileEnc  552 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   ret = xmlSaveFormatFileEnc(filename, doc, "UTF-8", 1);