anchor.diff:      SimplifiedExp = simplify_expr(Exp),
       BdStructExp = refac_code_search_utils:var_binding_structure([Exp]),
       F = fun (T, Acc) ->
  -		case refac_util:is_expr(T) of
  +		case refac_misc:is_expr(T) of
   		  true -> T1 = simplify_expr(T),
   			  case SimplifiedExp == T1 of
   			    true ->
  -				case
  -				  refac_code_search_utils:var_binding_structure([T])
  -				    of
  +				case refac_code_search_utils:var_binding_structure([T]) of
   				  BdStructExp ->
  -				      StartEndLoc = refac_util:get_range(T),
  +				      StartEndLoc = refac_misc:get_start_end_loc(T),
   				      [{FileName, StartEndLoc}| Acc];
   				  _ -> Acc
   				end;
  
positive.code:     Len2 = length(ExpList2),
      case Len1 =< Len2 of
        true ->
  	    SimplifiedExpList1 = simplify_expr(ExpList1),
  	    SimplifiedExpList2 = simplify_expr(ExpList2),
  	    case lists:prefix(SimplifiedExpList1, SimplifiedExpList2) of
  	    true ->
  		    List22 = lists:sublist(ExpList2, Len1),
  		    BdList1 = refac_code_search_utils:var_binding_structure(ExpList1),
  		    BdList2 = refac_code_search_utils:var_binding_structure(List22),
  		    case BdList1 == BdList2 of
  			true ->
  			    E1 = hd(List22),
  			    En = lists:last(List22),
  			    {StartLoc, _EndLoc} = refac_util:get_range(E1),
  			    {_StartLoc1, EndLoc1} = refac_util:get_range(En),
  			    [{FileName, {StartLoc, EndLoc1}}] ++ get_clone(FileName, ExpList1, tl(ExpList2));
  			_ -> get_clone(FileName, ExpList1, tl(ExpList2))
  		    end;
  		_ ->
  		    get_clone(FileName, ExpList1, tl(ExpList2))
  	    end;
  	_ -> []
      end.
  %% Simplify expressions by masking variable names, literals and locations.
  simplify_expr(Exp) when is_list(Exp) ->
  
negative.code:     Res = lists:append([do_expr_search(F, Es, SearchPaths, TabWidth) || F <- Files]),
      SE = refac_misc:get_start_end_loc(Es),
      Res1 = [{FileName, SE}| Res -- [{FileName, SE}]],
      refac_code_search_utils:display_search_results(Res1, none, "indentical").
  
  
  
  -spec(expr_search_eclipse/4::(filename(), pos(), pos(), integer()) ->
  