/usr/share/doc/libedata-book1.2-dev/changelog.Debian.gz is in libedata-book1.2-dev 3.18.5-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libedata-book1.2-dev/../libebackend-1.2-10/changelog.Debian.gz