/usr/share/doc/liblouis-dev/changelog.Debian.gz is in liblouis-dev 3.5.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/liblouis-dev/../liblouis14/changelog.Debian.gz
/usr/share/doc/liblouis-dev/../liblouis14/changelog.Debian.gz