/usr/share/doc/gstreamer0.10-plugins-bad/AUTHORS is in gstreamer0.10-plugins-bad 0.10.22.3-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gstreamer0.10-plugins-bad/../libgstreamer-plugins-bad0.10-0/AUTHORS