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diff --git a/scm/ly-syntax-constructors.scm b/scm/ly-syntax-constructors.scm
index ee79823361..2a2629fab3 100644
--- a/scm/ly-syntax-constructors.scm
+++ b/scm/ly-syntax-constructors.scm
@@ -1,8 +1,19 @@
-;;;; define-syntax.scm -- Defines functions for syntax expressions
+;;;; This file is part of LilyPond, the GNU music typesetter.
 ;;;;
-;;;;  source file of the GNU LilyPond music typesetter
-;;;; 
-;;;; (c) 2006 Erik Sandberg <mandolaerik@gmail.com>
+;;;; Copyright (C) 2006--2010 Erik Sandberg <mandolaerik@gmail.com>
+;;;;
+;;;; LilyPond 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.
+;;;;
+;;;; LilyPond 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 LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
 ;; TODO: use separate module for syntax
 ;; constructors. Also create wrapper around the constructor?
@@ -131,6 +142,12 @@
 	      'duration duration
 	      'origin location))
 
+(define-ly-syntax (repetition-chord parser location previous-chord repetition-function duration articulations)
+  (make-music 'RepeatedChord
+	      'original-chord previous-chord
+	      'element (repetition-function previous-chord location duration articulations)
+	      'origin location))
+
 (define-ly-syntax-simple (context-specification type id mus ops create-new)
   (let* ((type-sym (if (symbol? type) type (string->symbol type)))
 	 (csm (context-spec-music mus type-sym id)))
@@ -179,6 +196,11 @@
   (call-with-output-string (lambda (p) (format p "uniqueContext~s" unique-counter))))
 
 (define (lyric-combine-music sync music loc)
+  ;; CompletizeExtenderEvent is added following the last lyric in MUSIC
+  ;; to signal to the Extender_engraver that any pending extender should
+  ;; be completed if the lyrics end before the associated voice.
+  (append! (ly:music-property music 'elements)
+	   (list (make-music 'CompletizeExtenderEvent)))
   (make-music 'LyricCombineMusic
 	      'element music
 	      'associated-context sync