/usr/share/doc/libecal1.2-dev/TODO is in libecal1.2-dev 3.2.3-0ubuntu6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libecal1.2-dev/../libedataserver-1.2-15/TODO
/usr/share/doc/libecal1.2-dev/../libedataserver-1.2-15/TODO