X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fligature-engraver.cc;h=be4917f0c735ec5da9078c875af32a0317ce35ea;hb=0ce3e31fb6d24e40ecf45fc8d4d04df6f307a7db;hp=81523a0109d5056fc5050c3d7099c503c6736b3b;hpb=4374d94e38fa48c0d247e63fcc91d9c970aefe15;p=lilypond.git

diff --git a/lily/ligature-engraver.cc b/lily/ligature-engraver.cc
index 81523a0109..be4917f0c7 100644
--- a/lily/ligature-engraver.cc
+++ b/lily/ligature-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  ligature-engraver.cc -- implement Ligature_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2002--2011 Juergen Reuter <reuter@ipd.uka.de>
 
-  (c) 2002--2006 Juergen Reuter <reuter@ipd.uka.de>
+  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/>.
 */
 
 #include "ligature-engraver.hh"
@@ -14,8 +25,6 @@
 #include "rest.hh"
 #include "spanner.hh"
 #include "stream-event.hh"
-#include "warn.hh"
-
 #include "translator.icc"
 
 /*
@@ -82,7 +91,7 @@ void
 Ligature_engraver::listen_ligature (Stream_event *ev)
 {
   Direction d = to_dir (ev->get_property ("span-direction"));
-  events_drul_[d] = ev;
+  ASSIGN_EVENT_ONCE (events_drul_[d], ev);
 }
 
 void
@@ -92,7 +101,7 @@ Ligature_engraver::process_music ()
     {
       if (!ligature_)
 	{
-	  events_drul_[STOP]->origin ()->warning (_ ("can't find start of ligature"));
+	  events_drul_[STOP]->origin ()->warning (_ ("cannot find start of ligature"));
 	  return;
 	}
 
@@ -146,8 +155,9 @@ Ligature_engraver::stop_translation_timestep ()
     {
       if (!finished_primitives_.size ())
 	{
-	  finished_ligature_->programming_error ("Ligature_engraver::stop_translation_timestep (): "
-						 "junking empty ligature");
+	  finished_ligature_->programming_error (
+	    "Ligature_engraver::stop_translation_timestep ():"
+	    " junking empty ligature");
 	}
       else
 	{