/usr/share/lua/5.2/supple/comms.lua is in lua-supple 1.0.8-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/lua/5.2/supple/../../5.1/supple/comms.lua
/usr/share/lua/5.2/supple/../../5.1/supple/comms.lua