/usr/share/doc/libmatekbd-dev/changelog.Debian.gz is in libmatekbd-dev 1.12.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libmatekbd-dev/../libmatekbd4/changelog.Debian.gz
/usr/share/doc/libmatekbd-dev/../libmatekbd4/changelog.Debian.gz