vc-diff in non-VC buffer

[Juanma Barranquero]

AFAICS,

C:\> emacs -Q -D
C-x v =

=> launches a traversal of the hard disk.

C:\tmp> emacs -Q -D        (C:\tmp is an empty dir)
C-x v =

=>
------------------------------------------------------------
Diffs between focus version and workfile:

cvs rcsfile: connect to 127.0.0.1(127.0.0.1):2402 failed: No se ha
podido establecer conexión ya que el equipo de destino ha denegado
activamente dicha conexión.
cvs [rcsfile aborted]: Couldn't connect to lock server


Diffs between focus version and workfile end here.
------------------------------------------------------------

Hmm. Not Good.

             Juanma