--- gforth/utf-8.fs	2005/11/05 23:26:49	1.17
+++ gforth/utf-8.fs	2006/02/20 08:22:28	1.22
@@ -1,6 +1,6 @@
 \ UTF-8 handling                                       12dec04py
 
-\ Copyright (C) 2004 Free Software Foundation, Inc.
+\ Copyright (C) 2004,2005 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -128,6 +128,15 @@ $80 Value max-single-byte
 	nip nip over -
     then ;
 
+[IFUNDEF] wcwidth
+    : wcwidth abort ;
+[THEN]
+    
+: u8width ( xcaddr u -- n )
+    0 rot rot over + swap ?DO
+        I xc@+ swap >r wcwidth +
+    r> I - +LOOP ;
+
 : set-encoding-utf-8 ( -- )
     ['] u8emit is xemit
     ['] u8key is xkey
@@ -139,6 +148,9 @@ $80 Value max-single-byte
     ['] u8!+? is xc!+?
     ['] u8@+ is xc@+
     ['] u8len is xc-size
+[ [IFDEF] x-width ]
+    ['] u8width is x-width
+[ [THEN] ]
     ['] -u8trailing-garbage is -trailing-garbage
 ;