/usr/share/doc/libc-client2007e-dev/internal.txt.gz is in libc-client2007e-dev 8:2007f~dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libc-client2007e-dev/../libc-client2007e/internal.txt.gz