/usr/share/doc/libenca-dev/changelog.Debian.gz is in libenca-dev 1.18-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libenca-dev/../libenca0/changelog.Debian.gz
/usr/share/doc/libenca-dev/../libenca0/changelog.Debian.gz