**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
synfig::Time end_time;
bool old_version;
bool only_for_positive_duration;
+ bool symmetrical; // the 0.1 version of this layer behaved differently before 'start_time' was reached
protected:
Layer_TimeLoop();