There are many key-bindings in scimax that can be hard to remember, or even know about. Shreyas Ragavan (shrysr) suggested in jkitchin#344 that which-key could help with this, with this suggested implementation.
(defcustom scimax-which-key 'nil
"Scimax option to enable or disable which-key. Defaults to `nil'.
Set to 1 to install and enable which-key."
:group 'scimax)
(when scimax-which-key
(use-package which-key
:ensure nil
:defer nil
:config
(which-key-mode)))Then, when you type a key sequence that is only partially complete you get a minibuffer that pops up showing you all the possible completions. For example, if I type C-c in this buffer and wait a bit, this pops up:
