anchor.diff:      ErrorsId = ephp_context:get_errors_id(Context),
       case erlang:get(ErrorsId) of
           #state{exception_handler = undefined,
  -               format = Format,
                  modules = Modules,
                  output_handler = OutputHandler} ->
  +            Format = get_format(),
               {_, ErrorText} = get_message(Modules, Format, euncaught, Line, File,
                                            Level, {File, Line, Exception}),
               OutputHandler:set_output(Context, iolist_to_binary(ErrorText));
  
positive.code:     exception_handler :: callable(),
      silent = false :: boolean(),
      level = ?E_ALL band (bnot ?E_STRICT) :: non_neg_integer(),
      format = text :: error_format(),
      modules = [] :: [module()],
      last_error :: ephp_array() | undefined
  }).
  
negative.code:     run_quiet/2,
  
      error_reporting/2,
      error/1,
      handle_error/2,
      get_line/1,
  