Is Emacs truly the One True Editor?
How much time does it take to master Emacs?
It’s a life-long journey.
What’s with the
er- prefix in code examples?
Emacs doesn’t have namespaces and it’s a common convention to prefix
functions to avoid potential name conflicts.
er stands for Emacs Redux.
How to evaluate code snippets in Emacs?
Just copy the snippet to some Emacs Lisp source buffer, place your
cursor inside the snippet and press
Alternative you can start an Elisp REPL using
M-x ielm and paste the