/usr/lib/GNUstep/Cenon is in cenon.app 4.0.2-1build3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/GNUstep/../../share/GNUstep/Cenon.app/Cenon
/usr/lib/GNUstep/../../share/GNUstep/Cenon.app/Cenon