Re: Can't start new branch in VC with RCS

[Eli Zaretskii]

> From: allan gottlieb <gottlieb@nyu.edu>
> Date: Mon, 11 Jan 2016 16:48:43 -0500
> 
> I have a single file class-notes.html (with RCS/class-notes.html,v).
> I am using rcs in default (locking) mode
> 
> The head revision is 8.6.  I am the only user and the head revision is
> locked by me.  C-x v = shows the one simple change I made since 8.6.1
> and the file has been saved.
> 
> I want to start branch 8.6.1.  The manual suggests C-u C-x v v.
> 
> C-u x v v asks for a new backend.  I do not want to change backends.
> If I type RCS, it correctly reports that RCS is the current backend and
> exits.  If I try 8.6.1, it correctly reports that there is no match (it
> is looking for a backend).
> 
> Is this supposed to be possible under VC for RCS?  I presumably could
> achieve my goal using rcs directly from the command line.

What version of Emacs is that?