[Unison-hackers] version negotiation

[Tõivo Leedjärv]

On Wed, Jun 30, 2021 at 7:00 PM Tõivo Leedjärv <toivol at gmail.com> wrote:
>
> I looked in the code. This may very well be a perfectly working
> solution. Sending multiple 'write tokens' in sequence should not break
> the old clients.

No luck...

> 3a. Old client will process all 5 separately and continue old protocol
> communication normally.

In fact, it will not process multiple write tokens. There is an
assertion in the code that prevents this.
All is not lost, though. I'll try with a bit more complicated version
of this 'protocol abuse'.