void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
void build_range_marker_menu (bool loop_or_punch);
void build_marker_menu (bool);
void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
void build_range_marker_menu (bool loop_or_punch);
void build_marker_menu (bool);