/usr/share/help/de/gnome-mahjongg/bug-filing.page is in gnome-mahjongg 1:3.22.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/de/gnome-mahjongg/../../../help-langpack/de/gnome-mahjongg/bug-filing.page