/usr/share/doc/scilab-doc-ja/changelog.Debian.gz is in scilab-doc-ja 5.5.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/scilab-doc-ja/../scilab-doc/changelog.Debian.gz
/usr/share/doc/scilab-doc-ja/../scilab-doc/changelog.Debian.gz