--- /sys/include/ape/utf.h	Mon Apr  1 00:00:00 2013
+++ /sys/include/ape/utf.h	Mon Apr  1 00:00:00 2013
@@ -11,11 +11,11 @@
 
 enum
 {
-	UTFmax		= 3,		/* maximum bytes per rune */
+	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		= 0xFFFF,	/* 16 bit rune */
+	Runemax		= 0x10FFFF,	/* 32 bit rune */
 };
 
 /*
--- /sys/include/libc.h	Mon Apr  1 00:00:00 2013
+++ /sys/include/libc.h	Mon Apr  1 00:00:00 2013
@@ -41,11 +41,11 @@
 
 enum
 {
-	UTFmax		= 3,		/* maximum bytes per rune */
+	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		= 0xFFFF,	/* 16 bit rune */
+	Runemax		= 0x10FFFF,	/* 32 bit rune */
 };
 
 /*
--- /sys/src/9/port/lib.h	Mon Apr  1 00:00:00 2013
+++ /sys/src/9/port/lib.h	Mon Apr  1 00:00:00 2013
@@ -35,11 +35,11 @@
 
 enum
 {
-	UTFmax		= 3,	/* maximum bytes per rune */
+	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		= 0xFFFF,	/* 16 bit rune */
+	Runemax		= 0x10FFFF,	/* 16 bit rune */
 };
 
 /*
--- /n/sources/plan9/386/include/u.h	Fri Apr 13 00:41:24 2007
+++ /386/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long	uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef union FPdbleword FPdbleword;
 typedef long		jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/amd64/include/u.h	Mon Sep 17 18:52:58 2012
+++ /amd64/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long long uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef union FPdbleword FPdbleword;
 typedef uintptr		jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/arm/include/u.h	Tue Mar 27 17:48:58 2012
+++ /arm/include/u.h	Mon Apr  1 00:00:00 2013
@@ -9,7 +9,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long	uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef 	union FPdbleword FPdbleword;
 typedef long	jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/mips/include/u.h	Fri Apr 13 00:41:25 2007
+++ /mips/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long	uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef 	union FPdbleword FPdbleword;
 typedef long	jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/power/include/u.h	Tue Jul  7 21:20:57 2009
+++ /power/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long	uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef union FPdbleword FPdbleword;
 typedef long		jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/power64/include/u.h	Fri May 11 14:01:09 2007
+++ /power64/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long long uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef 	union FPdbleword FPdbleword;
 typedef uintptr	jmp_buf[2];
 #define	JMPBUFSP	0
--- /n/sources/plan9/sparc/include/u.h	Fri Apr 13 00:41:25 2007
+++ /sparc/include/u.h	Mon Apr  1 00:00:00 2013
@@ -8,7 +8,7 @@
 typedef	unsigned long long uvlong;
 typedef unsigned long	uintptr;
 typedef unsigned long	usize;
-typedef	ushort		Rune;
+typedef	uint		Rune;
 typedef 	union FPdbleword FPdbleword;
 typedef long	jmp_buf[2];
 #define	JMPBUFSP	0