/usr/share/doc/libedataserverui1.2-dev/TODO is in libedataserverui1.2-dev 3.18.5-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libedataserverui1.2-dev/../libcamel-1.2-54/TODO