/usr/ is in elpa-js2-mode 0~20150909-2.
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/usr/lib/emacsen-common/
/usr/share/
/usr/share/doc/
/usr/share/doc/elpa-js2-mode/
/usr/share/doc/elpa-js2-mode/copyright
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/usr/share/emacs/
/usr/share/emacs/site-lisp/
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/usr/share/emacs/site-lisp/elpa-src/js2-mode-20150909/js2-old-indent.el
/usr/share/emacs/site-lisp/elpa-src/js2-mode-20150909/js2-imenu-extras.el
/usr/share/emacs/site-lisp/elpa-src/js2-mode-20150909/js2-mode-pkg.el
/usr/lib/
/usr/lib/emacsen-common/packages/
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/usr/lib/emacsen-common/packages/remove/elpa-js2-mode
/usr/lib/emacsen-common/packages/install/
/usr/lib/emacsen-common/packages/install/elpa-js2-mode
/usr/lib/emacsen-common/packages/compat/
/usr/lib/emacsen-common/packages/compat/elpa-js2-mode