Re: What is the most useful potential feature which Emacs lacks?

[Eli Zaretskii]

> From: Jean-Christophe Helary <jean.christophe.helary@traduction-libre.org>
> Date: Tue, 2 Jun 2020 08:50:33 +0900
> Cc: Eli Zaretskii <eliz@gnu.org>,
>  excalamus@tutanota.com,
>  van.ly+2020@sdf.org,
>  Richard Stallman <rms@gnu.org>,
>  emacs-devel@gnu.org
> 
> >> What is missing in Emacs to make this possible?
> > 
> > I don't know for sure.
> > 
> > In the past, I was able to collaborate with a friend using an Emacs
> > extension called "Rudel", which lets two distant buffers communicate
> > with each other over the Gobby protocol.
> > 
> > https://www.emacswiki.org/emacs/Rudel indicates that the reference
> > implementation for the Gobby protocol is broken.  I have not tried.
> > 
> > So perhaps the required work is not on the Emacs side, but on that 
> > of the protocol and its implementation.
> 
> It looks like SubEthaEdit, the text editor that first provided solid 
> collaborative editing features on macos is now released under the MIT license 
> and its communication protocol is documented on emacswiki:
> 
> https://www.emacswiki.org/emacs/SubEthaEditProtocol

What I think is missing is not the description of a specific protocol,
but a higher-level spec of basic capabilities needed for the
collaborative editing support in Emacs.  Is this available anywhere?
If not, could someone please write it up?

For example, one thing that strikes me is why "collaboration" via a
dVCS is not a good solution, or at least the basis of a solution?  Am
I missing something?