/usr/share/doc/gir1.2-gssdp-1.0/AUTHORS is in gir1.2-gssdp-1.0 0.14.7-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-gssdp-1.0/../libgssdp-1.0-3/AUTHORS
/usr/share/doc/gir1.2-gssdp-1.0/../libgssdp-1.0-3/AUTHORS