anchor.diff:    i: integer;
     Obj: PPyObject;
   begin
  +  if not FInited then exit;
     LoadedLocals.Clear;
   
     with FEngine do
  
positive.code:   w: UnicodeString;
  begin
    Result:= '';
    if not Assigned(Obj) then
      Exit;
  
    with FEngine do
    begin
  
negative.code: var
    Num: Int64;
  begin
    if not FInited then exit(nil);
    with FEngine do
    begin
      if S='' then
  