/usr/share/man/ja/man1/gview.1.gz is in vim-gui-common 2:7.4.1689-3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/ja/man1/gvim.1.gz
/usr/share/man/ja/man1/gvim.1.gz