https://sw.kovidgoyal.net/kitty/protocol-extensions/
Terminal protocol extensions - kitty
kitty has extensions to the legacy terminal protocol, to enable advanced features. These are typically in the form of new or re-purposed escape codes. While...
protocol extensions kitty
https://sw.kovidgoyal.net/kitty/misc-protocol/
Miscellaneous protocol extensions - kitty
These are a few small protocol extensions kitty implements, primarily for use by its own kitten, they are documented here for completeness. Simple save/restore...
protocol extensions kitty