/usr/share/doc/emacs-mozc/changelog.Debian.gz is in emacs-mozc 2.20.2673.102+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/emacs-mozc/../emacs-mozc-bin/changelog.Debian.gz
/usr/share/doc/emacs-mozc/../emacs-mozc-bin/changelog.Debian.gz