Re: Lisp code to expand /~ and // but not env vars?

[Lennart Borgman]

Peter Dyballa wrote:

> > Function `expand-file-name' does not replace "//" and "/~" as 
> > `substitute-in-file-name' does.
>
> // is in UNIX nonsense. The root is / and does not get more root when 
> written as '//' -- this only has in ancient (Apollo) Domain OS a 
> meaning (Domain OS could create ad-hoc networks and // was the root of 
> the individual members in the network). '//' is created as a text in 
> mini-buffer when you either try to find a file or try to dired. The 
> right means to handle such strings would be to substitute everything 
> from the beginning to // with /.

Sorry, but no! This is legal in a path like //host/path/path/file.ext on 
MS Windows.