anchor.diff:  char_value([{"value", Value} | T], Acc)
   		when is_integer(Value); is_float(Value);
   		is_list(Value); is_boolean(Value) ->
  +erlang:display({?MODULE, ?LINE, Value}),
   	char_value(T, Acc#char_value{value = Value});
   char_value([{"value", {struct, _} = Value} | T], Acc) ->
  +erlang:display({?MODULE, ?LINE, Value}),
   	char_value(T, Acc#char_value{value = char_value_type(Value)});
   char_value([{"valueFrom", From} | T], Acc)
   		when is_integer(From); is_list(From) ->
  
positive.code: 								Etag2 == undefined ->
  							case catch ocs_rest:patch(Operations, offer(Product1)) of
  								{struct, _} = Product2  ->
  									Product3 = offer(Product2),
  									TS = erlang:system_time(millisecond),
  									N = erlang:unique_integer([positive]),
  									LM = {TS, N},
  									Product4 = Product3#offer{last_modified = LM},
  									ok = mnesia:write(Product4),
  									{Product2, LM};
  								_ ->
  									throw(bad_request)
  							end;
  
negative.code: char_value([end_date | T], #char_value{} = V, Acc) ->
  	char_value(T, V, Acc);
  char_value([value | T], #char_value{value = undefined} = V, Acc) ->
  erlang:display({?MODULE, ?LINE}),
  	char_value(T, V, Acc);
  char_value([value | T], #char_value{value = Value} = V, Acc) ->
  erlang:display({?MODULE, ?LINE, Value}),
  	char_value(T, V, [{"value", char_value_type(Value)} | Acc]);
  char_value([from | T], #char_value{from = undefined} = V, Acc) ->
  	char_value(T, V, Acc);
  