anchor.diff:              lists:join([$\n,Sep,<<"   ">>], [""|Errors])
       end.
   
  -get_extended_error(Reason, M, Info, StackTrace) ->
  +get_extended_error(Reason, [{M,_F,_As,Info}|_] = StackTrace) ->
       case lists:keyfind(error_info, 1, Info) of
           {error_info,ErrorInfoMap} when is_map(ErrorInfoMap) ->
               FormatModule = maps:get(module, ErrorInfoMap, M),
  
positive.code:             #{}
      end.
  
  format_arg_errors(ArgNum, [_|As], ErrorMap) ->
      case ErrorMap of
          #{ArgNum := Err} ->
  
negative.code:                       %% Reserve one third for the stacktrace.
                        CharsLimit div 3
                end,
  
      ErrorMap = get_extended_error(Reason, Trace),
  
      St = format_stacktrace1(S, Trace, FormatFun, StackFun,
                              Encoding, StLimit, Reason, ErrorMap),
      Lim = sub(sub(CharsLimit, exited(Class), latin1), St, Encoding),
      DefaultReason = explain_reason(Term, Class, Trace1, FormatFun, S, Encoding, Lim),
      Expl0 = maps:get(reason, ErrorMap, DefaultReason),
  
      FormatString = case Encoding of
                         latin1 -> "~s~s";
                         _ -> "~s~ts"
  