/usr/share/help/ja/glogic/figures/tff-equiv.png is in glogic 2.6-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/ja/glogic/figures/../../../C/glogic/figures/tff-equiv.png
/usr/share/help/ja/glogic/figures/../../../C/glogic/figures/tff-equiv.png