Add a comment on how Emacs recognise modulefile type

Signed-off-by: Laurent-Besson <[email protected]>

Author: Laurent-Besson

share/emacs/modulefile-mode.el

@@ -37,6 +37,7 @@
 ;; Copy this file into your Emacs package search directory
 ;; and add the folliwing lines to your .emacs startup file:
 ;;
+;; ;; Use first line of file to recognise file type
 ;; (add-to-list 'magic-mode-alist '("#%Module" . modulefile-mode))
 ;; (autoload 'modulefile-mode "modulefile-mode"
 ;;    "Major mode for editing Modulefile files" t)