/usr/share/doc/libkeybinder-3.0-dev/changelog.Debian.gz is in libkeybinder-3.0-dev 0.3.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libkeybinder-3.0-dev/../libkeybinder-3.0-0/changelog.Debian.gz