/usr/lib/pd/extra/motex/LICENSE.txt is in pd-motex 1.1.4-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pd/extra/motex/../../../../share/common-licenses/GPL-2
/usr/lib/pd/extra/motex/../../../../share/common-licenses/GPL-2