--- a/absyntax/visitor.cc	Tue Apr 05 14:24:07 2011 +0100
+++ b/absyntax/visitor.cc	Tue Apr 05 17:12:12 2011 +0100
@@ -1,6 +1,7 @@
 /*
  *  matiec - a compiler for the programming languages defined in IEC 61131-3
  *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
+ *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by