Sadly, it looks like Windows is ignored. At first, I thought it just didn't do anything on Windows[1], but the demo fails to compile with most recent `cl`.
[1]: https://github.com/datafl4sh/sgr/blob/2d33bb702437fdf288defa...
[1]: https://github.com/datafl4sh/sgr/blob/2d33bb702437fdf288defa...
That is, why should `sgr_enabled` return `false` on Windows even if `mode` is set to `ALWAYS_ENABLED`?