anchor.diff:              false ->
                   []
           end
  -    end;    
  +    end;
   
   % Filtering on undefined is supported from Zotonic 0.13.16
   parse_argument({has_geo, true}) ->
  
positive.code: 
      % Parse custom ginger_search arguments
  
      ?DEBUG(lists:flatmap(
          fun(Arg) ->
              case parse_argument(Arg) of
                  F when is_function(F) ->
  
negative.code:             end
          end,
          MergedArgs1
      ).
  
  %% @doc Add property to proplist if not defined
  withdefault({Key, _} = Prop, Proplist) ->
  