Re: expand-file-name leaves "/../" in expansions at times

[Stefan Monnier]

>     I don't know anything about the Emacs code, but CMU CS had a networked
>     filesystem (the mach/spice project vaxes) which had the concept of a
>     super-root above /, accessed via "/..".  E.g. to access file "/x/y" on
>     machine "blargh", you'd use "/../blargh/x/y" (IIRC, "/.." was a real
>     directory so you could do "cd /..", "ls /.." to see all machines, etc)..

> I think this is the Andrew file system.

No, it wasn't it.  I believe it was locally called "RFS" (for "Remote File
System") and predated AFS.  I doubt it's still in use.


        Stefan