RFindInReadable( const nsAReadableCString& aPattern, nsReadingIterator<char>& aSearchStart, nsReadingIterator<char>& aSearchEnd )
RFindInReadable( const nsACString& aPattern, nsReadingIterator<char>& aSearchStart, nsReadingIterator<char>& aSearchEnd )
RFindInReadable( const nsAReadableCString& aPattern, nsReadingIterator<char>& aSearchStart, nsReadingIterator<char>& aSearchEnd )  {    return RFindInReadable_Impl(aPattern, aSearchStart, aSearchEnd);  }