/usr/share/xemacs-21.4.22/lisp/term/ is in xemacs21-support 21.4.22-14ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xemacs-21.4.22/lisp/term/AT386.el
/usr/share/xemacs-21.4.22/lisp/term/README
/usr/share/xemacs-21.4.22/lisp/term/apollo.el
/usr/share/xemacs-21.4.22/lisp/term/bg-mouse.el
/usr/share/xemacs-21.4.22/lisp/term/bobcat.el
/usr/share/xemacs-21.4.22/lisp/term/internal.el
/usr/share/xemacs-21.4.22/lisp/term/keyswap.el
/usr/share/xemacs-21.4.22/lisp/term/linux.el
/usr/share/xemacs-21.4.22/lisp/term/lk201.el
/usr/share/xemacs-21.4.22/lisp/term/news.el
/usr/share/xemacs-21.4.22/lisp/term/pc-win.el
/usr/share/xemacs-21.4.22/lisp/term/scoansi.el
/usr/share/xemacs-21.4.22/lisp/term/sun-mouse.el
/usr/share/xemacs-21.4.22/lisp/term/sun.el
/usr/share/xemacs-21.4.22/lisp/term/sup-mouse.el
/usr/share/xemacs-21.4.22/lisp/term/tvi970.el
/usr/share/xemacs-21.4.22/lisp/term/vt-control.el
/usr/share/xemacs-21.4.22/lisp/term/vt100-led.el
/usr/share/xemacs-21.4.22/lisp/term/vt100.el
/usr/share/xemacs-21.4.22/lisp/term/vt102.el
/usr/share/xemacs-21.4.22/lisp/term/vt125.el
/usr/share/xemacs-21.4.22/lisp/term/vt200.el
/usr/share/xemacs-21.4.22/lisp/term/vt201.el
/usr/share/xemacs-21.4.22/lisp/term/vt220.el
/usr/share/xemacs-21.4.22/lisp/term/vt240.el
/usr/share/xemacs-21.4.22/lisp/term/vt300.el
/usr/share/xemacs-21.4.22/lisp/term/vt320.el
/usr/share/xemacs-21.4.22/lisp/term/vt400.el
/usr/share/xemacs-21.4.22/lisp/term/vt420.el
/usr/share/xemacs-21.4.22/lisp/term/win32-win.el
/usr/share/xemacs-21.4.22/lisp/term/wyse50.el
/usr/share/xemacs-21.4.22/lisp/term/xterm.el