From db76ee8d534cb5c7681e9013703b20ab5016b4fa Mon Sep 17 00:00:00 2001
From: Charles Forsyth <charles.forsyth@gmail.com>
Date: Fri, 7 Jun 2013 08:50:27 +0000
Subject: UTFmax increased, Runeerror changed

---
 os/port/lib.h | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'os')

diff --git a/os/port/lib.h b/os/port/lib.h
index e50fd8cb..4a9974a2 100644
--- a/os/port/lib.h
+++ b/os/port/lib.h
@@ -38,10 +38,12 @@ extern	int	fullrune(char*, int);
 
 enum
 {
-	UTFmax		= 3,	/* maximum bytes per rune */
-	Runesync	= 0x80,	/* cannot represent part of a UTF sequence */
-	Runeself	= 0x80,	/* rune and UTF sequences are the same (<) */
-	Runeerror	= 0x80,	/* decoding error in UTF */
+	UTFmax		= 4,		/* maximum bytes per rune */
+	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
+	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
+	Runeerror	= 0xFFFD,	/* decoding error in UTF */
+	Runemax		= 0x10FFFF,	/* 21-bit rune */
+	Runemask	= 0x1FFFFF,	/* bits used by runes (see grep) */
 };
 
 /*
-- 
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