anchor.diff:      end.
   
   check_config(Name,set,undefined,HConfig0) ->
  -    HConfig=merge_default_logopts(Name,maps:merge(get_default_config(),HConfig0)),
  +    HConfig=merge_default_logopts(Name,HConfig0),
       check_config(HConfig);
   check_config(_Name,SetOrUpdate,OldHConfig,NewHConfig0) ->
       WriteOnce = maps:with([type,file,max_no_files,max_no_bytes],OldHConfig),
  
positive.code:     {error,Other};
  check_h_config([]) ->
      ok.
  
  get_default_config() ->
       #{}.
  
  merge_default_logopts(Name, HConfig) ->
      Type = maps:get(type, HConfig, wrap),
  
negative.code:         case SetOrUpdate of
              set ->
                  %% Do not reset write-once fields to defaults
                  WriteOnce;
              update ->
                  OldHConfig
          end,
  