/usr/share/doc/libgrafx11-1-dev/NEWS.Debian.gz is in libgrafx11-1-dev 20061220+dfsg3-4.3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgrafx11-1-dev/../libgrafx11-1-gfortran/NEWS.Debian.gz