commit - d6c34a8c16ec47c867f98de9ce36a64414773da4
commit + bb4b3a620e4b129ae3cbba1e6f29534a572e0fbf
blob - 248583dc0c48693b51b281b64e404663243be5d8
blob + 471a00d1e5259d28e7688775836b6618b9d25ba0
--- a68-mode.el
+++ a68-mode.el
@@ -32,6 +32,11 @@
 
 ;; A major mode for editing Algol 68 code.
 ;;
+;; This is an improved and modernized version of the a68-mode written
+;; by Jose E. Marchesi.  The original code was taken from
+;;
+;; https://github.com/lachrymology/me/blob/master/.emacs.d/extras/algol-mode.el
+;;
 ;; TODO: support quote and dot stropping.
 
 ;;; Code: