/usr/include/xsd/cxx/xml/dom/ is in xsdcxx 4.0.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/xsd/cxx/xml/dom/auto-ptr.hxx
/usr/include/xsd/cxx/xml/dom/bits/
/usr/include/xsd/cxx/xml/dom/bits/error-handler-proxy.hxx
/usr/include/xsd/cxx/xml/dom/bits/error-handler-proxy.txx
/usr/include/xsd/cxx/xml/dom/elements.hxx
/usr/include/xsd/cxx/xml/dom/elements.txx
/usr/include/xsd/cxx/xml/dom/parsing-header.hxx
/usr/include/xsd/cxx/xml/dom/parsing-source.hxx
/usr/include/xsd/cxx/xml/dom/parsing-source.txx
/usr/include/xsd/cxx/xml/dom/serialization-header.hxx
/usr/include/xsd/cxx/xml/dom/serialization-header.txx
/usr/include/xsd/cxx/xml/dom/serialization-source.hxx
/usr/include/xsd/cxx/xml/dom/serialization-source.txx
/usr/include/xsd/cxx/xml/dom/wildcard-source.hxx
/usr/include/xsd/cxx/xml/dom/wildcard-source.txx