/usr/share/doc/xineliboutput-sxfe/README.gz is in xineliboutput-sxfe 1.1.0+cvs20150907-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/xineliboutput-sxfe/../libxine2-xvdr/README.gz
/usr/share/doc/xineliboutput-sxfe/../libxine2-xvdr/README.gz