diff --git a/Aircraft/Makefile b/Aircraft/Makefile
index 2f74dc69c..ce98c2846 100644
--- a/Aircraft/Makefile
+++ b/Aircraft/Makefile
@@ -3,6 +3,22 @@
 #
 # Written by Curtis Olson, started May 1997.
 #
+# Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+#
+# 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
+# the Free Software Foundation; either version 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
 # $Id$
 # (Log is kept at end of this file)
 #---------------------------------------------------------------------------
@@ -51,6 +67,9 @@ aircraft.h: ../flight/flight.h ../controls/controls.h
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.2  1997/05/23 15:40:29  curt
+# Added GNU copyright headers.
+#
 # Revision 1.1  1997/05/16 15:58:23  curt
 # Initial revision.
 #
diff --git a/Aircraft/aircraft.c b/Aircraft/aircraft.c
index 0138349d9..080f366d2 100644
--- a/Aircraft/aircraft.c
+++ b/Aircraft/aircraft.c
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -29,7 +45,10 @@ void aircraft_debug(int type) {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 15:58:24  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:29  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 15:58:24  curt
+ * Initial revision.
+ *
  */
diff --git a/Aircraft/aircraft.h b/Aircraft/aircraft.h
index 2996cd6e1..fcdeccbb4 100644
--- a/Aircraft/aircraft.h
+++ b/Aircraft/aircraft.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -35,7 +51,10 @@ void aircraft_debug(int type);
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 15:58:25  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:30  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 15:58:25  curt
+ * Initial revision.
+ *
  */
diff --git a/Controls/Makefile b/Controls/Makefile
index af6e4f562..3aae60283 100644
--- a/Controls/Makefile
+++ b/Controls/Makefile
@@ -3,6 +3,22 @@
 #
 # Written by Curtis Olson, started May 1997.
 #
+# Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+#
+# 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
+# the Free Software Foundation; either version 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
 # $Id$
 # (Log is kept at end of this file)
 #---------------------------------------------------------------------------
@@ -48,6 +64,9 @@ controls.h: ../limits.h
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.2  1997/05/23 15:40:32  curt
+# Added GNU copyright headers.
+#
 # Revision 1.1  1997/05/16 15:59:47  curt
 # Initial revision.
 #
diff --git a/Controls/controls.h b/Controls/controls.h
index 1de0b716f..dca5d32aa 100644
--- a/Controls/controls.h
+++ b/Controls/controls.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -29,7 +45,10 @@ struct control_params {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 15:59:48  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:33  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 15:59:48  curt
+ * Initial revision.
+ *
  */
diff --git a/FDM/Makefile b/FDM/Makefile
index a27d97853..7971ee044 100644
--- a/FDM/Makefile
+++ b/FDM/Makefile
@@ -3,6 +3,22 @@
 #
 # Written by Curtis Olson, started May 1997.
 #
+# Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+#
+# 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
+# the Free Software Foundation; either version 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
 # $Id$
 # (Log is kept at end of this file)
 #---------------------------------------------------------------------------
@@ -50,6 +66,9 @@ slew.o: slew.c slew.h flight.h ../aircraft/aircraft.h ../controls/controls.h
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.2  1997/05/23 15:40:36  curt
+# Added GNU copyright headers.
+#
 # Revision 1.1  1997/05/16 16:04:44  curt
 # Initial revision.
 #
diff --git a/FDM/flight.h b/FDM/flight.h
index eb2752041..810792d85 100644
--- a/FDM/flight.h
+++ b/FDM/flight.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -34,7 +50,10 @@ struct flight_params {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:04:45  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:37  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:04:45  curt
+ * Initial revision.
+ *
  */
diff --git a/FDM/slew.c b/FDM/slew.c
index 3395aa6b0..f53cb6403 100644
--- a/FDM/slew.c
+++ b/FDM/slew.c
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -70,7 +86,10 @@ void slew_update() {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:04:45  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:37  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:04:45  curt
+ * Initial revision.
+ *
  */
diff --git a/FDM/slew.h b/FDM/slew.h
index 15b6803e8..afa5b741a 100644
--- a/FDM/slew.h
+++ b/FDM/slew.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -27,7 +43,10 @@ void slew_update();
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:04:46  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:38  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:04:46  curt
+ * Initial revision.
+ *
  */
diff --git a/Scenery/Makefile b/Scenery/Makefile
index cc2aff125..34902fe83 100644
--- a/Scenery/Makefile
+++ b/Scenery/Makefile
@@ -3,6 +3,22 @@
 #
 # Written by Curtis Olson, started May 1997.
 #
+# Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+#
+# 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
+# the Free Software Foundation; either version 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
 # $Id$
 # (Log is kept at end of this file)
 #---------------------------------------------------------------------------
@@ -70,6 +86,9 @@ mesh.o: mesh.c mesh.h common.h
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.3  1997/05/23 15:40:40  curt
+# Added GNU copyright headers.
+#
 # Revision 1.2  1997/05/17 00:17:01  curt
 # Cosmetic changes.
 #
diff --git a/Scenery/common.c b/Scenery/common.c
index a1009bac9..6c522c608 100644
--- a/Scenery/common.c
+++ b/Scenery/common.c
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -28,7 +44,10 @@ char *strip_quotes(char *s) {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:07:03  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:41  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:07:03  curt
+ * Initial revision.
+ *
  */
diff --git a/Scenery/common.h b/Scenery/common.h
index d3e01d68f..f00945ef2 100644
--- a/Scenery/common.h
+++ b/Scenery/common.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -24,7 +40,10 @@ char *strip_quotes(char *s);
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:07:04  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:41  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:07:04  curt
+ * Initial revision.
+ *
  */
diff --git a/Scenery/mesh.c b/Scenery/mesh.c
index 803a24d9e..2054cdf53 100644
--- a/Scenery/mesh.c
+++ b/Scenery/mesh.c
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -86,9 +102,12 @@ void mesh_set_option_value(struct mesh *m, char *value) {
 
 
 /* $Log$
-/* Revision 1.2  1997/05/19 18:20:50  curt
-/* Slight change to origin key words.
+/* Revision 1.3  1997/05/23 15:40:41  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.2  1997/05/19 18:20:50  curt
+ * Slight change to origin key words.
+ *
  * Revision 1.1  1997/05/16 16:07:04  curt
  * Initial revision.
  *
diff --git a/Scenery/mesh.h b/Scenery/mesh.h
index fd186143b..18b3be669 100644
--- a/Scenery/mesh.h
+++ b/Scenery/mesh.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -47,7 +63,10 @@ void mesh_set_option_value(struct mesh *m, char *value);
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:07:05  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:42  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:07:05  curt
+ * Initial revision.
+ *
  */
diff --git a/Scenery/parser.y b/Scenery/parser.y
index 5b6978227..fcc5205e3 100644
--- a/Scenery/parser.y
+++ b/Scenery/parser.y
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  **************************************************************************/
 
diff --git a/Scenery/scanner.l b/Scenery/scanner.l
index 48f56fa28..e0ad5c11c 100644
--- a/Scenery/scanner.l
+++ b/Scenery/scanner.l
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * NOTE: Compiles with flex and gcc.
  *
  * $Id$
diff --git a/Scenery/scenery.h b/Scenery/scenery.h
index 970aa343e..4213d3f97 100644
--- a/Scenery/scenery.h
+++ b/Scenery/scenery.h
@@ -3,6 +3,22 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+ *
+ * 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 the Free Software Foundation; either version 2 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
  * $Id$
  * (Log is kept at end of this file)
  **************************************************************************/
@@ -20,7 +36,10 @@ int parse_scenery(char *file);
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:07:07  curt
-/* Initial revision.
+/* Revision 1.2  1997/05/23 15:40:43  curt
+/* Added GNU copyright headers.
 /*
+ * Revision 1.1  1997/05/16 16:07:07  curt
+ * Initial revision.
+ *
  */
diff --git a/Simulator/Makefile b/Simulator/Makefile
index 8eb3fb72c..c7ad73670 100644
--- a/Simulator/Makefile
+++ b/Simulator/Makefile
@@ -3,6 +3,22 @@
 #
 # Written by Curtis Olson, started May 1997.
 #
+# Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
+#
+# 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
+# the Free Software Foundation; either version 2 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, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
 # $Id$
 # (Log is kept at end of this file)
 #---------------------------------------------------------------------------
@@ -36,6 +52,9 @@ clean:
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.3  1997/05/23 15:40:04  curt
+# Added GNU copyright headers.
+#
 # Revision 1.2  1997/05/23 00:35:09  curt
 # Trying to get fog to work ...
 #