/usr/ is in elpa-openwith 0.8g-1.
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..
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/elpa-openwith
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/elpa-openwith
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/elpa-openwith
/usr/share/
/usr/share/doc/
/usr/share/doc/elpa-openwith/
/usr/share/doc/elpa-openwith/README.Debian
/usr/share/doc/elpa-openwith/changelog.Debian.gz
/usr/share/doc/elpa-openwith/copyright
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/elpa-src/
/usr/share/emacs/site-lisp/elpa-src/openwith-0.8.7/
/usr/share/emacs/site-lisp/elpa-src/openwith-0.8.7/openwith-autoloads.el
/usr/share/emacs/site-lisp/elpa-src/openwith-0.8.7/openwith-pkg.el
/usr/share/emacs/site-lisp/elpa-src/openwith-0.8.7/openwith.el