def*-style syntax highlighting for Clojure in Emacs - Annotated

.emacs-attic.el

; Add a function that runs for any Clojure buffer.
(add-hook 'clojure-mode-hook
    ; It's an anonymous function and it takes no arguments.
    '(lambda ()
	   
        ; It calls the function that adds syntax-highlighting rules.
        (font-lock-add-keywords nil
								
            ; So many escape codes! But behind those we're just saying:
            ; Match the '(' character.
            ; Match and group the string 'defwidget'.
            ; Match some whitespace. \\s-+
            ; Match and group some word characters. \\w+
            '(("(\\(defwidget\\)\\s-+\\(\\w+\\)"
                (1 font-lock-keyword-face)       ; The first regexp group is a keyword.
                (2 font-lock-function-name-face) ; The second regexp group is a name.
                ))))) ; Close up the patient.