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diff --git a/synfig-core/tags/synfig_0_61_07/src/synfig/valuenode_segcalctangent.h b/synfig-core/tags/synfig_0_61_07/src/synfig/valuenode_segcalctangent.h
new file mode 100644
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+++ b/synfig-core/tags/synfig_0_61_07/src/synfig/valuenode_segcalctangent.h
@@ -0,0 +1,83 @@
+/* === S Y N F I G ========================================================= */
+/*!	\file valuenode_segcalctangent.h
+**	\brief Template Header
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**	This package 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 package 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.
+**	\endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_VALUENODE_SEGCALCTANGENT_H
+#define __SYNFIG_VALUENODE_SEGCALCTANGENT_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "valuenode.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class ValueNode_SegCalcTangent : public LinkableValueNode
+{
+	ValueNode::RHandle segment_;
+	ValueNode::RHandle amount_;
+
+	ValueNode_SegCalcTangent(const ValueBase::Type &x=ValueBase::TYPE_VECTOR);
+
+public:
+
+	typedef etl::handle<ValueNode_SegCalcTangent> Handle;
+	typedef etl::handle<const ValueNode_SegCalcTangent> ConstHandle;
+
+	//static Handle create(const ValueBase::Type &x=ValueBase::TYPE_VECTOR);
+
+
+	virtual ValueBase operator()(Time t)const;
+
+	virtual ~ValueNode_SegCalcTangent();
+
+	virtual String get_name()const;
+	virtual String get_local_name()const;
+
+
+	virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
+	virtual int link_count()const;
+	virtual String link_name(int i)const;
+
+	virtual String link_local_name(int i)const;
+	virtual int get_link_index_from_name(const String &name)const;
+
+protected:
+	virtual bool set_link_vfunc(int i,ValueNode::Handle x);
+	LinkableValueNode* create_new()const;
+
+public:
+	using synfig::LinkableValueNode::get_link_vfunc;
+	using synfig::LinkableValueNode::set_link_vfunc;
+	static bool check_type(ValueBase::Type type);
+	static ValueNode_SegCalcTangent* create(const ValueBase &x=ValueBase::TYPE_VECTOR);
+}; // END of class ValueNode_SegCalcTangent
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif