1 files changed, 5 insertions, 1 deletions
diff --git a/option.h b/option.h
index c393ed4b2c87..a32139eea66a 100644
--- a/option.h
+++ b/option.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1984-2009  Mark Nudelman
+ * Copyright (C) 1984-2011  Mark Nudelman
  *
  * You may distribute under the terms of either the GNU General Public
  * License or the Less License, as specified in the README file.
@@ -27,6 +27,8 @@
 
 #define	OTYPE		(BOOL|TRIPLE|NUMBER|STRING|NOVAR)
 
+#define OLETTER_NONE    '\1'     /* Invalid option letter */
+
 /*
  * Argument to a handling function tells what type of activity:
  */
@@ -50,6 +52,8 @@ struct optname
 	struct optname *onext;  /* List of synonymous option names */
 };
 
+#define OPTNAME_MAX	32	/* Max length of long option name */
+
 struct loption
 {
 	char oletter;		/* The controlling letter (a-z) */