Add Escaping Terminal Mode In An Nvim Termianl as a vim til

vim/escaping-terminal-mode-in-an-nvim-terminal.md

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+# Escaping Terminal-Mode In An Nvim Terminal
+
+A recent
+[TIL](https://til.hashrocket.com/posts/iity78ly38-open-a-zsh-terminal-in-a-split-window-in-neovim)
+by Chris Erin showed how to split open a terminal in a
+[Neovim](https://neovim.io/) session -- `:sp term://zsh`.
+
+The terminal is emulated into a Vim buffer which means that you can treat it
+sort of like any other Vim buffer. You start in Normal mode. Once you use
+any mapping that would transition you into Insert mode, you'll instead find
+yourself in _Terminal_ mode. Terminal mode works just like any `zsh`
+session (give `ls` a try).
+
+Try hitting `<Esc>` though and you'll see that you stay in Terminal mode
+instead of being transitioned back to Normal mode.
+
+So how do you get back to Normal mode?
+
+Hit `<Ctrl-\><Ctrl-n>`.
+
+This is a pretty awkward key mapping though, so follow [the Nvim Terminal
+docs](https://neovim.io/doc/user/nvim_terminal_emulator.html) and bring back
+the Escape key.
+
+```vimscript
+:tnoremap <Esc> <C-\><C-n>
+```