-void event_cleanup(struct event* evt);
-void event_add_place(Gom_ctxt ctxt, struct place* place);
-void event_add_address(Gom_ctxt ctxt, struct address* address);
-void event_add_phone(Gom_ctxt ctxt, char *phone);
-void event_add_citation(Gom_ctxt ctxt, struct source_citation* cit);
-void event_add_mm_link(Gom_ctxt ctxt, struct multimedia_link* mm);
-void event_add_note(Gom_ctxt ctxt, struct note_sub* note);
-void event_add_user_data(Gom_ctxt ctxt, struct user_data* data);