> In principle, your terminal could also turn Ctrl-Shift-I into some special escape sequence which an application could parse. Such a sequence just doesn't exis

> In principle, your terminal could also turn Ctrl-Shift-I into some special escape sequence which an application could parse. Such a sequence just doesn't exist in the terminal protocol you are using, that is all. A specification that allows all key combinations to be recognized by terminal applications does indeed exist: http://www.leonerd.org.uk/hacks/fixterms/ http://www.leonerd.org.uk/hacks/fixterms/ Sadly, very few apps use it. Vim for example doesn't, but maybe there is hope that NeoVim will: https://github.com/neovim/neovim/issues/176 https://github.com/neovim/neovim/issues/176