/usr/share/doc/gir1.2-gucharmap-2.90/NEWS.gz is in gir1.2-gucharmap-2.90 1:3.18.2-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-gucharmap-2.90/../libgucharmap-2-90-7/NEWS.gz