/usr/ is in mu-cite 8.1+0.20140609-1.
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/usr/share/doc/mu-cite/
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/usr/share/doc/mu-cite/README.Debian
/usr/share/doc/mu-cite/copyright
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/usr/share/doc/mu-cite/README.en
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/usr/share/emacs/site-lisp/mu-cite/MU-MK
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/usr/share/emacs/site-lisp/mu-cite/Makefile
/usr/share/emacs/site-lisp/mu-cite/mu-register.el
/usr/share/emacs/site-lisp/mu-cite/MU-CFG
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/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/mu-cite