+// virtual default spanning keyframe update. If a range is selected,
+// then changed parameters are copied to (prev + selected) keyframes.
+// redefine per client for custom keyframe updates, see tracer, sketcher, crikey
+void PluginClient::span_keyframes(KeyFrame *src, int64_t start, int64_t end)
+{
+ src->span_keyframes(start, end);
+}
+