Help with testing my cross-platform library

[Vladimirs Nordholm]

On Saturday, 7 November 2020 at 18:49:56 UTC, Adam D. Ruppe wrote:
> You don't handle combinations of modifiers right in xterm
>
> right = ok
> shift right = ok
> ctrl right = ok
> ctrl + shift + right = "c, shift pressed". obviously wrong.
> ctrl + alt + riht = same
>
>
> The modifiers are kinda insane the way the work. See line 
> 3291(ish) of my terminal.d for `mod_switch` where I handle it...

Yes, that is correct. I have had problems with multiple modifier 
keys on POSIX, and as of now it only detects the last modifier 
key (I think).

I'll take a look at your code. Thanks!