Note that this enables you to use the bash 'forward search', CTRL+R's forgotten twin. I use CTRL+R and CTRL+S often in emacs and was frustrated that CTRL+S wou

Note that this enables you to use the bash 'forward search', CTRL+R's forgotten twin. I use CTRL+R and CTRL+S often in emacs and was frustrated that CTRL+S would not work on a command line terminal. As the article mentions, CTRL+S is typically interpreted as XON. Turning that off will enable forward search.