/usr/ is in auto-complete-el 1.3.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/emacs/
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/auto-complete/
/usr/share/emacs/site-lisp/auto-complete/auto-complete-config.el
/usr/share/emacs/site-lisp/auto-complete/auto-complete.el
/usr/share/emacs/site-lisp/auto-complete/fuzzy.el
/usr/share/emacs/site-lisp/auto-complete/popup.el
/usr/share/auto-complete/
/usr/share/auto-complete/dict/
/usr/share/auto-complete/dict/c++-mode
/usr/share/auto-complete/dict/scheme-mode
/usr/share/auto-complete/dict/clojure-mode
/usr/share/auto-complete/dict/javascript-mode
/usr/share/auto-complete/dict/python-mode
/usr/share/auto-complete/dict/php-mode
/usr/share/auto-complete/dict/java-mode
/usr/share/auto-complete/dict/ruby-mode
/usr/share/auto-complete/dict/css-mode
/usr/share/auto-complete/dict/tcl-mode
/usr/share/auto-complete/dict/c-mode
/usr/share/doc/
/usr/share/doc/auto-complete-el/
/usr/share/doc/auto-complete-el/doc/
/usr/share/doc/auto-complete-el/doc/changes.html
/usr/share/doc/auto-complete-el/doc/changes.ja.html
/usr/share/doc/auto-complete-el/doc/demo.html
/usr/share/doc/auto-complete-el/doc/index.html
/usr/share/doc/auto-complete-el/doc/index.ja.html
/usr/share/doc/auto-complete-el/doc/manual.html
/usr/share/doc/auto-complete-el/doc/manual.ja.html
/usr/share/doc/auto-complete-el/doc/ac-fuzzy.png
/usr/share/doc/auto-complete-el/doc/index.ja.txt
/usr/share/doc/auto-complete-el/doc/ac.png
/usr/share/doc/auto-complete-el/doc/changes.txt
/usr/share/doc/auto-complete-el/doc/demo.txt
/usr/share/doc/auto-complete-el/doc/manual.txt
/usr/share/doc/auto-complete-el/doc/ac-isearch.png
/usr/share/doc/auto-complete-el/doc/manual.ja.txt
/usr/share/doc/auto-complete-el/doc/index.txt
/usr/share/doc/auto-complete-el/doc/style.css
/usr/share/doc/auto-complete-el/doc/changes.ja.txt
/usr/share/doc/auto-complete-el/README.txt
/usr/share/doc/auto-complete-el/TODO.txt
/usr/share/doc/auto-complete-el/etc/
/usr/share/doc/auto-complete-el/etc/test.txt
/usr/share/doc/auto-complete-el/etc/install.el
/usr/share/doc/auto-complete-el/README.Debian
/usr/share/doc/auto-complete-el/copyright
/usr/share/doc/auto-complete-el/changelog.Debian.gz
/usr/lib/
/usr/lib/emacsen-common/
/usr/lib/emacsen-common/packages/
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/auto-complete-el
/usr/lib/emacsen-common/packages/remove/
/usr/lib/emacsen-common/packages/remove/auto-complete-el