/usr/include/ is in libxml++2.6-dev 2.40.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libxml++-2.6/libxml++/parsers/
/usr/include/libxml++-2.6/
/usr/include/libxml++-2.6/libxml++/
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/usr/include/libxml++-2.6/libxml++/exceptions/internal_error.h
/usr/include/libxml++-2.6/libxml++/relaxngschema.h
/usr/include/libxml++-2.6/libxml++/keepblanks.h
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