1 files changed, 3 insertions, 1 deletions
diff --git a/perlapi.h b/perlapi.h
index 662ecdfbc0..2ff02e5349 100644
--- a/perlapi.h
+++ b/perlapi.h
@@ -1,4 +1,5 @@
-/*
+/*  -*- buffer-read-only: t -*-
+ *
  *    perlapi.h
  *
  *    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
@@ -1004,3 +1005,4 @@ END_EXTERN_C
 
 #endif /* __perlapi_h__ */
 
+/* ex: set ro: */