/usr/ is in cl-anaphora 0.9.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/cl-anaphora/
/usr/share/doc/cl-anaphora/changelog.Debian.gz
/usr/share/doc/cl-anaphora/copyright
/usr/share/common-lisp/
/usr/share/common-lisp/systems/
/usr/share/common-lisp/source/
/usr/share/common-lisp/source/anaphora/
/usr/share/common-lisp/source/anaphora/anaphora.lisp
/usr/share/common-lisp/source/anaphora/tests.lisp
/usr/share/common-lisp/source/anaphora/packages.lisp
/usr/share/common-lisp/source/anaphora/anaphora.asd
/usr/share/common-lisp/source/anaphora/early.lisp
/usr/share/common-lisp/source/anaphora/symbolic.lisp
/usr/share/common-lisp/systems/anaphora.asd