GNU Emacs comes with a book-length introduction to computer programming
gnu.org
gnu.org
I'm amazed. What an achievement, and what a labor of love!
I wasn't really worried about it until the first commenter seemed to mistake the OP for a different kind of thing than it is. That's when I edited the title. :-\
If the FSF shop weren't closed at the moment, maybe I'd link to the shop page for the print version.
That's really easy, you put it in a comment and use the original title. You can't use titles for commentary on HN, it's in the site guidelines under 'In Submissions' https://news.ycombinator.com/newsguidelines.html
> A simple introduction to Emacs Lisp programming.
Written by Bob Chassell - https://www.fsf.org/blogs/community/goodbye-to-bob-chassell