/usr/share/doc/libmatchbox-dev/NEWS.gz is in libmatchbox-dev 1.9-8build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libmatchbox-dev/../libmatchbox1/NEWS.gz
/usr/share/doc/libmatchbox-dev/../libmatchbox1/NEWS.gz