anchor.diff:  			    NormalisedFields =lists:map(Fun, Fields2),
   			    refac_syntax:record_expr(Arg, Type, NormalisedFields);
   			_ -> 
  -			    ?wrangler_io("Warning: wrangler could not find the definition of record '~p'.\n",[Type1]),
  +			    %% ?wrangler_io("Warning: wrangler could not find the definition of record '~p'.\n",[Type1]),
   			    Node
   		    end;
   		_ -> Node
  
positive.code: 		     case lists:keysearch(category, 1, refac_syntax:get_ann(Expr1)) of 
  			 macro_name -> 
  			     false;
  			 _ -> {true, []}  %%??
  		     end;
  		 _ -> 
  		     case variable_replaceable(Expr1) andalso variable_replaceable(Expr2) of 
  			 true ->
  			     {true, [Expr1]};
  			 _ -> 
  			     false
  		      end
  
negative.code: 			    case refac_syntax:concrete(Expr1) == refac_syntax:concrete(Expr2) of 
  				     true ->
  					 {true, []};
  				     _ -> {true, [{Expr1, Expr2}]}  %% literals are replaceable by variables.
  				 end;
  			_ -> case T1 of 
  				 variable -> 
  