/usr/share/doc/libdockapp-dev/NEWS.gz is in libdockapp-dev 1:0.7.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libdockapp-dev/../libdockapp3/NEWS.gz
/usr/share/doc/libdockapp-dev/../libdockapp3/NEWS.gz