/usr/share/doc/libchamplain-gtk-0.12-0/NEWS.gz is in libchamplain-gtk-0.12-0 0.12.7-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libchamplain-gtk-0.12-0/../libchamplain-0.12-0/NEWS.gz