Would be good to add support for that to my image rendering library: https://github.com/lmorg/murex/blob/c77b893a58a682735ad7502c...
Fork used by iSH: https://github.com/ish-app/libapps/tree/master/hterm
I looked at the docs (https://github.com/ish-app/libapps/blob/master/hterm/doc/Con...) and it appears to use the same protocol as iTerm.
Here's an implementation: https://github.com/ish-app/libapps/blob/master/hterm/etc/hte...