anchor.diff:          {error, _} ->
               Context
       end;
  -event(#postback{message={map_infobox, _Args}}, Context) ->    
  +event(#postback{message={map_infobox, _Args}}, Context) ->
       Ids = z_context:get_q(ids, Context),
       Element = z_context:get_q(element, Context),
       Render = z_template:render("map/map-infobox.tpl", [{results, Ids}], Context),
  
positive.code:     manage_schema/2,
      observe_custom_pivot/2,
      observe_acl_is_allowed/2,
      observe_search_query/2,
      search_query/2
  ]).
  
  -include("zotonic.hrl").
  
negative.code:     ginger_geo_search:search_query(Q, Context);
  observe_search_query(#search_query{search={ginger_geo_nearby, _Args}}=Q, Context) ->
      ginger_geo_search:search_query(Q, Context);
  observe_search_query(#search_query{}, _Context) ->
      undefined.
  