el/dot-emacs.el: Add a heading for `m4'.

diff --git a/el/dot-emacs.el b/el/dot-emacs.el
index 776915c7af982b6fbe29741beb9ade292353c108..92614ca6b5b7609c88beac7d3889c65f05970d88 100644 (file)
--- a/el/dot-emacs.el
+++ b/el/dot-emacs.el
@@ -3971,6 +3971,8 @@ (defun mdw-fontify-smalltalk ()
         (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
               '(0 mdw-punct-face)))))
 
+;; m4.
+
 (defun mdw-setup-m4 ()
 
   ;; Inexplicably, Emacs doesn't match braces in m4 mode.  This is very