--- a
+++ b/dlgAbout.h
@@ -0,0 +1,26 @@
+#ifndef DLGABOUT_H
+#define DLGABOUT_H
+
+// PTLens, Copyright (C) 2004, Thomas Niemann
+// email: thomasn@epaperpress.com, subject=ptlens
+// 
+// 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.
+
+void dlgAbout(AboutRecordPtr);
+
+#endif