Do note that I only configure this for `lisp-interaction-mode', which in practice really only gets used for the *scratch* buffer. But there are a few other ins

Do note that I only configure this for `lisp-interaction-mode', which in practice really only gets used for the *scratch* buffer. But there are a few other instances in core that also use it, and if that concerns you, you can extend the above snippet with a check like (when (equal (buffer-name) "*scratch*") ...)