/usr/share/doc/libxplc0.3.13-dev/changelog.Debian.gz is in libxplc0.3.13-dev 0.3.13-3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libxplc0.3.13-dev/../libxplc0.3.13/changelog.Debian.gz