1 files changed, 7 insertions, 1 deletions

diff --git a/llex.h b/llex.h
index d1a4cba7..389d2f86 100644
--- a/llex.h
+++ b/llex.h
@@ -7,11 +7,17 @@
 #ifndef llex_h
 #define llex_h
 
+#include <limits.h>
+
 #include "lobject.h"
 #include "lzio.h"
 
 
-#define FIRST_RESERVED  257
+/*
+** Single-char tokens (terminal symbols) are represented by their own
+** numeric code. Other tokens start at the following value.
+*/
+#define FIRST_RESERVED  (UCHAR_MAX + 1)
 
 
 #if !defined(LUA_ENV)