/usr/ is in elpa-parent-mode 2.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/elpa-src/
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/elpa-parent-mode
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/elpa-parent-mode
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/elpa-parent-mode
/usr/share/
/usr/share/doc/
/usr/share/doc/elpa-parent-mode/
/usr/share/doc/elpa-parent-mode/changelog.Debian.gz
/usr/share/doc/elpa-parent-mode/copyright
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/elpa-src/parent-mode-2.3/
/usr/share/emacs/site-lisp/elpa-src/parent-mode-2.3/parent-mode-autoloads.el
/usr/share/emacs/site-lisp/elpa-src/parent-mode-2.3/parent-mode-pkg.el
/usr/share/emacs/site-lisp/elpa-src/parent-mode-2.3/parent-mode.el