Prot's Basic and Capable Emacs Configuration

I am learning a lot from Prot&rsquo;s articles on Emacs. This last article: What follows is a rather simple, yet fully capable, setup to get started with Emacs. Here&rsquo;s what I learned from it. I have replaced the custom.el related code from: (progn (setq custom-file (expand-file-name 'custom.el' user-emacs-directory)) (when (file-exists-p custom-file) (load custom-file))) with the simpler,…