Wild, apparently my institution pays for that, sorry for the dead link. <https://cmosshoptalk.com/2020/06/09/en-dashes-the-editors-mark/#:~:text=En%20Dash%20as

Wild, apparently my institution pays for that, sorry for the dead link. <https://cmosshoptalk.com/2020/06/09/en-dashes-the-editors-mark/#:~:text=En%20Dash%20as%20Dash https://cmosshoptalk.com/2020/06/09/en-dashes-the-editors-ma...> quotes the relevant section here. I can't find another source for the CMOS.