/usr/share/common-lisp/systems/ilisp.asd is in ilisp 5.12.0+cvs.2004.12.26-21.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/common-lisp/systems/../source/ilisp/ilisp.asd
/usr/share/common-lisp/systems/../source/ilisp/ilisp.asd