anchor.diff:        end;
       false -> already_done
     end.
  +
  +%%------------------------------------------------------------------------------
   
   -spec load_initially(module()) ->
                           {ok, module(), [string()]} | {error, string()}.
  
positive.code: %%------------------------------------------------------------------------------
  
  -include("concuerror.hrl").
  
  %%------------------------------------------------------------------------------
  
  
negative.code:   ok.
  
  %%------------------------------------------------------------------------------
  
  get_instrumented_table() ->
    concuerror_instrumented.
  
  check_shadow(File, Module) ->
    Default = code:which(Module),
  