src :
- https://joost.vunderink.net/blog/2011/12/02/irssi-tricks-navigating-around/
- https://www.linode.com/docs/applications/messaging/using-irssi-for-internet-relay-chat
Let’s start by what you can do while typing. These keystrokes change only what happens on the input line (the line where you type stuff).
arrow left/right: move one character left or right.
