pyret-mode now sets .arr files to UTF-8.

Author: aatxe

tools/emacs/pyret.el

@@ -1832,6 +1832,8 @@ in (nil if we're not in a string).")
 
 ;; Automatically enable pyret-mode on .arr files.
 (add-to-list 'auto-mode-alist '("\\.arr\\'" . pyret-mode))
+;; Pyret files are UTF-8.
+(add-to-list 'file-coding-system-alist '("\\.arr\\'" . utf-8-unix))
 
 (provide 'pyret)