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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: What is the most useful potential feature which Emacs lacks?
Date: Sat, 06 Jun 2020 13:12:18 +0300
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 (message from Thibaut Verron on Sat, 6 Jun 2020 11:59:47 +0200)
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> From: Thibaut Verron <thibaut.verron@gmail.com>
> Date: Sat, 6 Jun 2020 11:59:47 +0200
> Cc: Jean-Christophe Helary <jean.christophe.helary@traduction-libre.org>, bzg@gnu.org, 
> 	excalamus@tutanota.com, van.ly+2020@sdf.org, Richard Stallman <rms@gnu.org>, 
> 	emacs-devel <emacs-devel@gnu.org>
> 
> Collaborative editors usually show modifications done by other users in real time. I don't know how major
> conflicts are resolved.
> 
> How would you emulate this with a VCS? Commit-push-pull with various --force flags, on a timer run every
> second? 

That could be a start, yes.