sigc::ptr_fun (ProcessorBox::rb_copy));
delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
sigc::ptr_fun (ProcessorBox::rb_delete));
sigc::ptr_fun (ProcessorBox::rb_copy));
delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
sigc::ptr_fun (ProcessorBox::rb_delete));