> Looks like emacsclient on macOS cannot start the daemon, if there's no
> Emacs server already running?


Well but I restarted it, without any success.


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I strongly condemn Putin's war of aggression against the Ukraine.
I support to deliver weapons to Ukraine's military. 
I support the NATO membership of the Ukraine.
I support the EU membership of the Ukraine. 
https://addons.thunderbird.net/en-US/thunderbird/addon/gmail-conversation-view/