/usr/share/emacs/site-lisp/ is in t-code 2:2.3.1-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/emacs/site-lisp/t-code/
/usr/share/emacs/site-lisp/t-code/eelll.el
/usr/share/emacs/site-lisp/t-code/tc-bitmap.el
/usr/share/emacs/site-lisp/t-code/tc-bushu.el
/usr/share/emacs/site-lisp/t-code/tc-complete.el
/usr/share/emacs/site-lisp/t-code/tc-help.el
/usr/share/emacs/site-lisp/t-code/tc-image.el
/usr/share/emacs/site-lisp/t-code/tc-inst.el
/usr/share/emacs/site-lisp/t-code/tc-is18.el
/usr/share/emacs/site-lisp/t-code/tc-is19.el
/usr/share/emacs/site-lisp/t-code/tc-is20.el
/usr/share/emacs/site-lisp/t-code/tc-ja-alnum.el
/usr/share/emacs/site-lisp/t-code/tc-jiscode.el
/usr/share/emacs/site-lisp/t-code/tc-mazegaki.el
/usr/share/emacs/site-lisp/t-code/tc-mkmzdic.el
/usr/share/emacs/site-lisp/t-code/tc-pre.el
/usr/share/emacs/site-lisp/t-code/tc-setup.el
/usr/share/emacs/site-lisp/t-code/tc-stat.el
/usr/share/emacs/site-lisp/t-code/tc-sysdep.el
/usr/share/emacs/site-lisp/t-code/tc-tbl.el
/usr/share/emacs/site-lisp/t-code/tc-util.el
/usr/share/emacs/site-lisp/t-code/tc.el
/usr/share/emacs/site-lisp/t-code/tutc-tbl.el