1 files changed, 8 insertions, 0 deletions
diff --git a/perly.h b/perly.h
index 9695a064a1..25f5864bd8 100644
--- a/perly.h
+++ b/perly.h
@@ -1,3 +1,9 @@
+/* -*- buffer-read-only: t -*-
+   !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
+   This file is built by regen_perly.pl from perly.y.
+   Any changes made here will be lost!
+ */
+
 #ifdef PERL_CORE
 /* A Bison parser, made by GNU Bison 2.3.  */
 
@@ -232,3 +238,5 @@ typedef union YYSTYPE
 
 
 
+
+/* ex: set ro: */