/usr/share/gauche-0.9/site/ is in wiliki 0.6.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gauche-0.9/site/lib/
/usr/share/gauche-0.9/site/lib/.packages/
/usr/share/gauche-0.9/site/lib/.packages/WiLiKi.gpd
/usr/share/gauche-0.9/site/lib/wiliki/
/usr/share/gauche-0.9/site/lib/wiliki.scm
/usr/share/gauche-0.9/site/lib/wiliki/auth.scm
/usr/share/gauche-0.9/site/lib/wiliki/core.scm
/usr/share/gauche-0.9/site/lib/wiliki/db.scm
/usr/share/gauche-0.9/site/lib/wiliki/edit.scm
/usr/share/gauche-0.9/site/lib/wiliki/format.scm
/usr/share/gauche-0.9/site/lib/wiliki/history.scm
/usr/share/gauche-0.9/site/lib/wiliki/log.scm
/usr/share/gauche-0.9/site/lib/wiliki/macro.scm
/usr/share/gauche-0.9/site/lib/wiliki/page.scm
/usr/share/gauche-0.9/site/lib/wiliki/parse.scm
/usr/share/gauche-0.9/site/lib/wiliki/pasttime.scm
/usr/share/gauche-0.9/site/lib/wiliki/rss.scm
/usr/share/gauche-0.9/site/lib/wiliki/scr-macros.scm
/usr/share/gauche-0.9/site/lib/wiliki/util.scm
/usr/share/gauche-0.9/site/lib/wiliki/version.scm