Probable autocomplete bug on "struct"

[lollobrigido]

I've a struct in a class

class ...
{
public:
  struct
   {
    ...some members
    } data_struct
}

when in some member of the class I refer to data_struct. Autocomplete show nothing, and if I use the right mouse button to "Find... declaration" It tell me that there isn't any declaration  , but it compiles correctly. :?
But I found in other situation autocomplete is correctly functioning :?...if need I can post the source.

However...great thanks for this great tool !!! 
Lollo