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Adam 2013-07-29 10:33:45 -07:00
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@ -6,7 +6,9 @@ filename: learn-emacs-lisp.el
---
```scheme
;; This gives an introduction to Emacs Lisp in 15 minutes (v0.2a)
;; This gives an introduction to Emacs Lisp in 15 minutes (v0.2d)
;;
;; Author: Bastien / @bzg2 / http://bzg.fr
;;
;; First make sure you read this text by Peter Norvig:
;; http://norvig.com/21-days.html
@ -35,7 +37,7 @@ filename: learn-emacs-lisp.el
;; Now look at the gray line at the bottom of the window:
;;
;; "*scratch*" is the name of the editing space you are now in.
;: This editing space is called a "buffer".
;; This editing space is called a "buffer".
;;
;; The scratch buffer is the default buffer when opening Emacs.
;; You are never editing files: you are editing buffers that you
@ -75,7 +77,7 @@ filename: learn-emacs-lisp.el
;; `C-j' inserts the result of the evaluation in the buffer.
;; `C-xC-e' displays the same result in Emacs bottom line,
;: called the "minibuffer". We will generally use `C-xC-e',
;; called the "minibuffer". We will generally use `C-xC-e',
;; as we don't want to clutter the buffer with useless text.
;; `setq' stores a value into a variable:
@ -127,7 +129,7 @@ filename: learn-emacs-lisp.el
(switch-to-buffer-other-window "*test*")
;; `C-xC-e'
;: => [screen has two windows and cursor is in the *test* buffer]
;; => [screen has two windows and cursor is in the *test* buffer]
;; Mouse over the top window and left-click to go back. Or you can
;; use `C-xo' (i.e. hold down control-x and hit o) to go to the other
@ -138,7 +140,7 @@ filename: learn-emacs-lisp.el
(switch-to-buffer-other-window "*test*")
(hello "you"))
;; `C-xC-e'
;: => [The screen has two windows and cursor is in the *test* buffer]
;; => [The screen has two windows and cursor is in the *test* buffer]
;; Now if you don't mind, I'll stop asking you to hit `C-xC-e': do it
;; for every sexp that follows.
@ -171,7 +173,7 @@ filename: learn-emacs-lisp.el
;; Let's format a string:
(format "Hello %s!\n" "visitor")
;; %s is a place-holder for a string, replaced by "Alice".
;; %s is a place-holder for a string, replaced by "visitor".
;; \n is the newline character.
;; Let's refine our function by using format:
@ -346,4 +348,6 @@ filename: learn-emacs-lisp.el
;; - Kevin Montuori
;; - Arne Babenhauserheide
;; - Alan Schmitt
;; - LinXitoW
;; - Aaron Meurer
```