/usr/share/emacs/ is in psgml 1.4.0-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/
/usr/share/emacs/site-lisp/psgml/
/usr/share/emacs/site-lisp/psgml/psgml-edit.el
/usr/share/emacs/site-lisp/psgml/psgml-lucid.el
/usr/share/emacs/site-lisp/psgml/psgml-dtd.el
/usr/share/emacs/site-lisp/psgml/psgml-ids.el
/usr/share/emacs/site-lisp/psgml/psgml-info.el
/usr/share/emacs/site-lisp/psgml/psgml-parse.el
/usr/share/emacs/site-lisp/psgml/psgml-init.el
/usr/share/emacs/site-lisp/psgml/configure
/usr/share/emacs/site-lisp/psgml/Makefile.in
/usr/share/emacs/site-lisp/psgml/install-sh
/usr/share/emacs/site-lisp/psgml/psgml-maint.el
/usr/share/emacs/site-lisp/psgml/psgml-sysdep.el
/usr/share/emacs/site-lisp/psgml/psgml-html.el
/usr/share/emacs/site-lisp/psgml/psgml-api.el
/usr/share/emacs/site-lisp/psgml/psgml-debug.el
/usr/share/emacs/site-lisp/psgml/psgml-other.el
/usr/share/emacs/site-lisp/psgml/psgml.el
/usr/share/emacs/site-lisp/psgml/psgml-fs.el
/usr/share/emacs/site-lisp/psgml/psgml-charent.el
/usr/share/emacs/site-lisp/psgml/Makefile-el