/usr/share/doc/libmwaw-tools/changelog.Debian.gz is in libmwaw-tools 0.1.11-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libmwaw-tools/../libmwaw-0.1-1/changelog.Debian.gz
/usr/share/doc/libmwaw-tools/../libmwaw-0.1-1/changelog.Debian.gz