- Stream_event *ev = unsmob_stream_event (sev);
-
- sloppy_general_pushpop_property (context (),
- ev->get_property ("symbol"),
- ev->get_property ("property-path"),
- ev->get_property ("value"));
+ Stream_event *ev = Stream_event::unsmob (sev);
+
+ Grob_property_info (context (), ev->get_property ("symbol"))
+ .push (ev->get_property ("property-path"),
+ ev->get_property ("value"));