/usr/share/doc/libgoocanvasmm-dev/NEWS.gz is in libgoocanvasmm-dev 0.15.4-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgoocanvasmm-dev/../libgoocanvasmm-1.0-5/NEWS.gz
/usr/share/doc/libgoocanvasmm-dev/../libgoocanvasmm-1.0-5/NEWS.gz