--- gforth/string.fs	2000/04/12 20:53:46	1.2
+++ gforth/string.fs	2007/12/31 19:02:24	1.8
@@ -1,12 +1,31 @@
 \ dynamic string handling                              10aug99py
 
+\ Copyright (C) 2000,2005,2007 Free Software Foundation, Inc.
+
+\ This file is part of Gforth.
+
+\ Gforth is free software; you can redistribute it and/or
+\ modify it under the terms of the GNU General Public License
+\ as published by the Free Software Foundation, either version 3
+\ of the License, or (at your option) any later version.
+
+\ This program is distributed in the hope that it will be useful,
+\ but WITHOUT ANY WARRANTY; without even the implied warranty of
+\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+\ GNU General Public License for more details.
+
+\ You should have received a copy of the GNU General Public License
+\ along with this program. If not, see http://www.gnu.org/licenses/.
+
 : delete   ( buffer size count -- )
   over min >r  r@ - ( left over )  dup 0>
   IF  2dup swap dup  r@ +  -rot swap move  THEN  + r> bl fill ;
 
+[IFUNDEF] insert
 : insert   ( string length buffer size -- )
   rot over min >r  r@ - ( left over )
   over dup r@ +  rot move   r> move  ;
+[THEN]
 
 : $padding ( n -- n' )
   [ 6 cells ] Literal + [ -4 cells ] Literal and ;