/usr/lib/pd/extra/readanysf~/README.txt is in pd-readanysf 0.43-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pd/extra/readanysf~/../../../../share/doc/pd-readanysf/README
/usr/lib/pd/extra/readanysf~/../../../../share/doc/pd-readanysf/README