--- mysql.old/include/nisam.h	Sat Jun 22 18:03:36 2002
+++ mysql.new/include/nisam.h	Sat Jun 22 18:03:53 2002
@@ -30,7 +30,7 @@
 
 #define N_MAXKEY	16		/* Max allowed keys */
 #define N_MAXKEY_SEG	16		/* Max segments for key */
-#define N_MAX_KEY_LENGTH 256		/* May be increased up to 500 */
+#define N_MAX_KEY_LENGTH 500		/* May be increased up to 500 */
 #define N_MAX_KEY_BUFF	 (N_MAX_KEY_LENGTH+N_MAXKEY_SEG+sizeof(double)-1)
 #define N_MAX_POSSIBLE_KEY_BUFF 500+9