Hi, when I'm using neovim to write mails inside of aerc, OSC52 escape sequences do not work to copy something to the clipboard. It would be really nice if it could support that like tmux.
This is rather a Vaxis [1] thing. Vaxis is the TUI library aerc is written in. It does in itself already support OSC52 but its terminal widget which aerc uses for running the $EDITOR (neovim in your case) does not. It should be very easy to implement though, see the changes for widgets/term/osc.go in the Vaxis repository made in ad972cce6e722423feddae782a799682779c7d25. The only thing to then be done on the part of aerc is updating the dependency when Vaxis containing this addition is tagged.
Thanks for the answer. I sent a patch to the vaxis mailing list :)