[csdvrx]

I thought you might be having this issue, which is why I tried to be very explicit.

It's due to a cygwin and how /dev/cons* are different from /dev/pty* cf https://cygwin.com/pipermail/cygwin/2020-May/244878.html

I've tried to explain that a bit better in server-client.c (check line 251) to give the user a clue of what's happening with *cause = xstrdup(c->ttyname)

Unfortunately, even in 2021, properly configuring a terminal can be complicated.

That's why sixel-tmux page has a step-by-step configuration guide, and why I often provide config files in other projects like https://github.com/csdvrx/indent-rainbow : if needed, check https://github.com/csdvrx/indent-rainbow/blob/main/config/wi... even if I need to update it that should give you a good base to start tweaking from.

I strongly encourage you to check your configuration with the steps suggest on the sixel-tmux page, or at least the minimal set of steps shown in http://github.com/csdvrx/sixel-testsuite (which I should update to show how font change should work, with sixels being resize to be kept in perfect alignment with the text, as done in mintty, as several people seem to believe it's a sixel limitation)

[rashil2000]

Oh, I apologize! I was under the impression that your executable would work without the /usr/bin/script workaround. My bad! I was aware of the Cygwin's tmux quirk, but not the script workaround. Thanks again for the detailed help!