The `.rights' file is laid out as follows:

privilegied.file        rw-r-----       0       1
(filename)		(rights)	(uid)	(gid)

For any file not in the list, the special case `.default' is checked. If there
is no such file, _no access is permitted_, and the file will _not show up in
directory listings_. This is in fact handy in most cases, so be careful with
adding a `.default' entry. (Note that `.rights' is never influenced by a
`.default' entry, for security.)

For directory permissions, the file `dir/.rights' is checked for the entry `.'.
Yes, I know, treating them like normal directories would be great, but
remember that there is a root directory as well...

The rights are standard r, w and x for now, no setuid, setgid or sticky bit
unless we really need it. (We could perhaps need the sticky bit later.) Be
careful with the format of the `.rights' file, as everything you set in the
rights column will be copied directly to listings. Restrict yourself to
those 9 characters, no more, no less, and only use r, w, and x.