/usr/share/doc/libgnomekbd-dev/changelog.Debian.gz is in libgnomekbd-dev 3.6.0-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgnomekbd-dev/../gir1.2-gkbd-3.0/changelog.Debian.gz