1 files changed, 2 insertions, 2 deletions
diff --git a/opcode.h b/opcode.h
index af1043a8c4..a5bd0053f9 100644
--- a/opcode.h
+++ b/opcode.h
@@ -1,4 +1,4 @@
-/* -*- buffer-read-only: t -*-
+/* -*- mode: C; buffer-read-only: t -*-
  *
  *    opcode.h
  *
@@ -3508,4 +3508,4 @@ END_EXTERN_C
 
 
 
-/* ex: set ro: */
+/* ex: set ro ft=C: */