X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstaff-symbol-engraver.cc;h=a103eda0b39fe963805833bf249a572c9fc19b69;hb=0c34fe54a73dec156d4ed33a47647388588385df;hp=d4e57955fceb01b030fc7086cf034052dbe62696;hpb=c4c0ba811cd526f047de3f4d3c77abcc32a3e076;p=lilypond.git

diff --git a/lily/staff-symbol-engraver.cc b/lily/staff-symbol-engraver.cc
index d4e57955fc..a103eda0b3 100644
--- a/lily/staff-symbol-engraver.cc
+++ b/lily/staff-symbol-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  staff-symbol-engraver.cc -- implement Staff_symbol_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  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 "engraver.hh"
@@ -57,7 +68,7 @@ Staff_symbol_engraver::listen_staff_span (Stream_event *ev)
 {
   Direction d = to_dir (ev->get_property ("span-direction"));
   if (d)
-    span_events_[d] = ev;
+    ASSIGN_EVENT_ONCE (span_events_[d], ev);
   else
     programming_error (_ ("staff-span event has no direction"));
 }
@@ -148,9 +159,15 @@ Staff_symbol_engraver::acknowledge_grob (Grob_info s)
 ADD_ACKNOWLEDGER (Staff_symbol_engraver, grob);
 
 ADD_TRANSLATOR (Staff_symbol_engraver,
-		/* doc */ "Create the constellation of five (default) "
-		"staff lines.",
-		/* create */ "StaffSymbol",
-		/* accept */ "staff-span-event",
-		/* read */ "",
-		/* write */ "");
+		/* doc */
+		"Create the constellation of five (default) staff lines.",
+
+		/* create */
+		"StaffSymbol ",
+
+		/* read */
+		"",
+
+		/* write */
+		""
+		);