anchor.diff:  prod_price_description(erlang_term, Price) ->
   	proplists:get_value("description", Price, undefined);
   prod_price_description(json, Price) ->
  -	{"description", Price#price.description}.
  +	case Price#price.description of
  +		undefined ->
  +			{"description", ""};
  +		Des ->
  +			{"description", Des}
  +	end.
   
   -spec prod_price_vf(Prefix, Price) -> Result
   	when
  
positive.code: prod_isBundle(erlang_term, Product) ->
  	case lists:keyfind("isBundle", 1, Product) of
  		{"isBundle", "true"} -> true;
  		_ -> false
  	end;
  prod_isBundle(json, Product) ->
  	{"isBundle", Product#product.is_bundle}.
  
  -spec prod_status(Prefix, Product) -> Result
  	when
  
negative.code: prod_description(erlang_term, Product) ->
  	proplists:get_value("description", Product, undefined);
  prod_description(json, Product) ->
  	case Product#product.description of
  		undefined ->
  			{"description", ""};
  		Des ->
  			{"description", Des}
  	end.
  
  -spec prod_href(Prefix, Product) -> Result
  	when
  