/usr/share/help/sv/eog/plugin-picasa.page is in eog 3.18.2-1ubuntu2.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/sv/eog/../../../help-langpack/sv/eog/plugin-picasa.page
/usr/share/help/sv/eog/../../../help-langpack/sv/eog/plugin-picasa.page