/usr/share/emacs/ is in yatex 1.77+dfsg1-4.
This file is owned by root:root, with mode 0o755.
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/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/yatex/
/usr/share/emacs/site-lisp/yatex/YATEXHLP.eng
/usr/share/emacs/site-lisp/yatex/YATEXHLP.jp
/usr/share/emacs/site-lisp/yatex/comment.el
/usr/share/emacs/site-lisp/yatex/yahtml.el
/usr/share/emacs/site-lisp/yatex/yatex.el
/usr/share/emacs/site-lisp/yatex/yatex19.el
/usr/share/emacs/site-lisp/yatex/yatexadd.el
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/usr/share/emacs/site-lisp/yatex/yatexgen.el
/usr/share/emacs/site-lisp/yatex/yatexhie.el
/usr/share/emacs/site-lisp/yatex/yatexhks.el
/usr/share/emacs/site-lisp/yatex/yatexhlp.el
/usr/share/emacs/site-lisp/yatex/yatexlib.el
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/usr/share/emacs/site-lisp/yatex/yatexmth.el
/usr/share/emacs/site-lisp/yatex/yatexpkg.el
/usr/share/emacs/site-lisp/yatex/yatexprc.el
/usr/share/emacs/site-lisp/yatex/yatexsec.el