hwloc__libxml2_prepare_export_diff  551 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   doc = hwloc__libxml2_prepare_export_diff(diff, refname);
hwloc__libxml2_prepare_export_diff  570 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   doc = hwloc__libxml2_prepare_export_diff(diff, refname);