/usr/share/doc/libktoblzcheck1-dev/AUTHORS is in libktoblzcheck1-dev 1.48-2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libktoblzcheck1-dev/../libktoblzcheck1v5/AUTHORS
/usr/share/doc/libktoblzcheck1-dev/../libktoblzcheck1v5/AUTHORS