/usr/share/doc/xymon/upgrade-to-430.txt.gz is in xymon 4.3.25-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/xymon/../xymon-client/upgrade-to-430.txt.gz
/usr/share/doc/xymon/../xymon-client/upgrade-to-430.txt.gz