The Modernization of Emacs

[notbob]

On 2007-06-21, David Kastrup <dak at gnu.org> wrote:

> You know you can use something like
> C-x C-f /su::/etc/fstab RET
> (or /sudo::/etc/fstab) in order to edit files as root in a normal
> Emacs session?

As I understand it, this will only work for ver 22 and later or if
you have tramp(?) installed.  I have 2.3.1 (no tramp) and all I get is:

ftp> open su
ftp: su: Unknown host

I'm looking at upgrading to 22 for a couple other features, too.  

nb