+
+ // note: each of the following 4 'if' blocks provokes these warnings:
+ // /usr/include/sigc++-2.0/sigc++/adaptors/bound_argument.h:57: warning:
+ // 'model.synfig::Waypoint::Model::temporal_tension' is used uninitialized in this function
+ // 'model.synfig::Waypoint::Model::bias' is used uninitialized in this function
+ // 'model.synfig::Waypoint::Model::continuity' is used uninitialized in this function
+ // 'model.synfig::Waypoint::Model::tension' is used uninitialized in this function
+ // 'model.synfig::Waypoint::Model::priority' is used uninitialized in this function
+ // I don't know if that matters or not.
+