anchor.diff:  	    case refac_syntax:type(Tree) of
   		binary_field ->
   		    {refac_util:rewrite(Tree, refac_syntax:binary_field(NewExpr)), true};
  -		_ -> {NewExpr, true}
  +		_ -> {refac_util:rewrite(Tree, NewExpr), true}
   	    end;
   	_ -> {Tree, false}
       end.
  
positive.code: 	[] -> [];
  	_ -> ExpList
      end.
  
negative.code: 			      true ->
  				  Form1 = replace_expr_with_fun_call(
  					    Form, ExpList, NewFunName, ParNames, VarsToExport),
                                    Toks = get_node_toks(refac_util:get_toks(Form), ExpList),
                                    NewFun1 = refac_util:update_ann(NewFun, {toks, Toks}),
  				  [Form1, NewFun1];
  			      _ -> [Form]
  			  end;
  		      _ -> [Form]
  