tell emacs scan.l is in C mode

diff --git a/scan.l b/scan.l
index 99bb010bf7dc5d7cdec2e576351cfa944a2aa31e..3a504c2a2876154ebe16fe12a6930437ea4b215e 100644 (file)
--- a/scan.l
+++ b/scan.l
@@ -1,4 +1,4 @@
-/* scan.l - scanner for flex input */
+/* scan.l - scanner for flex input -*-C-*- */
 
 %{
 /*  Copyright (c) 1990 The Regents of the University of California. */